1280827080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:730

約数の個数: 320

約数和(自身を含む): 4742115840

約数和(自身を除く): 3461288760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 47, 52, 54, 60, 65, 72, 78, 81, 90, 94, 104, 108, 117, 120, 130, 135, 141, 156, 162, 180, 188, 195, 216, 234, 235, 260, 270, 282, 312, 324, 351, 360, 376, 390, 405, 423, 468, 470, 520, 540, 564, 585, 611, 647, 648, 702, 705, 780, 810, 846, 936, 940, 1053, 1080, 1128, 1170, 1222, 1269, 1294, 1404, 1410, 1560, 1620, 1692, 1755, 1833, 1880, 1941, 2106, 2115, 2340, 2444, 2538, 2588, 2808, 2820, 3055, 3235, 3240, 3384, 3510, 3666, 3807, 3882, 4212, 4230, 4680, 4888, 5076, 5176, 5265, 5499, 5640, 5823, 6110, 6345, 6470, 7020, 7332, 7614, 7764, 8411, 8424, 8460, 9165, 9705, 10152, 10530, 10998, 11646, 12220, 12690, 12940, 14040, 14664, 15228, 15528, 16497, 16822, 16920, 17469, 18330, 19035, 19410, 21060, 21996, 23292, 24440, 25233, 25380, 25880, 27495, 29115, 30409, 30456, 32994, 33644, 34938, 36660, 38070, 38820, 42055, 42120, 43992, 46584, 49491, 50466, 50760, 52407, 54990, 58230, 60818, 65988, 67288, 69876, 73320, 75699, 76140, 77640, 82485, 84110, 87345, 91227, 98982, 100932, 104814, 109980, 116460, 121636, 126165, 131976, 139752, 151398, 152045, 152280, 164970, 168220, 174690, 182454, 197964, 201864, 209628, 219960, 227097, 232920, 243272, 247455, 252330, 262035, 273681, 302796, 304090, 329940, 336440, 349380, 364908, 378495, 395317, 395928, 419256, 454194, 456135, 494910, 504660, 524070, 547362, 605592, 608180, 659880, 681291, 698760, 729816, 756990, 790634, 821043, 908388, 912270, 989820, 1009320, 1048140, 1094724, 1135485, 1185951, 1216360, 1362582, 1368405, 1513980, 1581268, 1642086, 1816776, 1824540, 1976585, 1979640, 2096280, 2189448, 2270970, 2371902, 2463129, 2725164, 2736810, 3027960, 3162536, 3284172, 3406455, 3557853, 3649080, 3953170, 4105215, 4541940, 4743804, 4926258, 5450328, 5473620, 5929755, 6568344, 6812910, 7115706, 7906340, 8210430, 9083880, 9487608, 9852516, 10673559, 10947240, 11859510, 12315645, 13625820, 14231412, 15812680, 16420860, 17789265, 19705032, 21347118, 23719020, 24631290, 27251640, 28462824, 32020677, 32841720, 35578530, 42694236, 47438040, 49262580, 53367795, 64041354, 71157060, 85388472, 98525160, 106735590, 128082708, 142314120, 160103385, 213471180, 256165416, 320206770, 426942360, 640413540, 1280827080]

約数ペア:

[(1, 1280827080), (2, 640413540), (3, 426942360), (4, 320206770), (5, 256165416), (6, 213471180), (8, 160103385), (9, 142314120), (10, 128082708), (12, 106735590), (13, 98525160), (15, 85388472), (18, 71157060), (20, 64041354), (24, 53367795), (26, 49262580), (27, 47438040), (30, 42694236), (36, 35578530), (39, 32841720), (40, 32020677), (45, 28462824), (47, 27251640), (52, 24631290), (54, 23719020), (60, 21347118), (65, 19705032), (72, 17789265), (78, 16420860), (81, 15812680), (90, 14231412), (94, 13625820), (104, 12315645), (108, 11859510), (117, 10947240), (120, 10673559), (130, 9852516), (135, 9487608), (141, 9083880), (156, 8210430), (162, 7906340), (180, 7115706), (188, 6812910), (195, 6568344), (216, 5929755), (234, 5473620), (235, 5450328), (260, 4926258), (270, 4743804), (282, 4541940), (312, 4105215), (324, 3953170), (351, 3649080), (360, 3557853), (376, 3406455), (390, 3284172), (405, 3162536), (423, 3027960), (468, 2736810), (470, 2725164), (520, 2463129), (540, 2371902), (564, 2270970), (585, 2189448), (611, 2096280), (647, 1979640), (648, 1976585), (702, 1824540), (705, 1816776), (780, 1642086), (810, 1581268), (846, 1513980), (936, 1368405), (940, 1362582), (1053, 1216360), (1080, 1185951), (1128, 1135485), (1170, 1094724), (1222, 1048140), (1269, 1009320), (1294, 989820), (1404, 912270), (1410, 908388), (1560, 821043), (1620, 790634), (1692, 756990), (1755, 729816), (1833, 698760), (1880, 681291), (1941, 659880), (2106, 608180), (2115, 605592), (2340, 547362), (2444, 524070), (2538, 504660), (2588, 494910), (2808, 456135), (2820, 454194), (3055, 419256), (3235, 395928), (3240, 395317), (3384, 378495), (3510, 364908), (3666, 349380), (3807, 336440), (3882, 329940), (4212, 304090), (4230, 302796), (4680, 273681), (4888, 262035), (5076, 252330), (5176, 247455), (5265, 243272), (5499, 232920), (5640, 227097), (5823, 219960), (6110, 209628), (6345, 201864), (6470, 197964), (7020, 182454), (7332, 174690), (7614, 168220), (7764, 164970), (8411, 152280), (8424, 152045), (8460, 151398), (9165, 139752), (9705, 131976), (10152, 126165), (10530, 121636), (10998, 116460), (11646, 109980), (12220, 104814), (12690, 100932), (12940, 98982), (14040, 91227), (14664, 87345), (15228, 84110), (15528, 82485), (16497, 77640), (16822, 76140), (16920, 75699), (17469, 73320), (18330, 69876), (19035, 67288), (19410, 65988), (21060, 60818), (21996, 58230), (23292, 54990), (24440, 52407), (25233, 50760), (25380, 50466), (25880, 49491), (27495, 46584), (29115, 43992), (30409, 42120), (30456, 42055), (32994, 38820), (33644, 38070), (34938, 36660)]