291247320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 256

約数和(自身を含む): 1088640000

約数和(自身を除く): 797392680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 149, 156, 168, 179, 182, 195, 210, 260, 273, 280, 298, 312, 358, 364, 390, 420, 447, 455, 520, 537, 546, 596, 716, 728, 745, 780, 840, 894, 895, 910, 1043, 1074, 1092, 1192, 1253, 1365, 1432, 1490, 1560, 1788, 1790, 1820, 1937, 2086, 2148, 2184, 2235, 2327, 2506, 2685, 2730, 2980, 3129, 3576, 3580, 3640, 3759, 3874, 4172, 4296, 4470, 4654, 5012, 5215, 5370, 5460, 5811, 5960, 6258, 6265, 6981, 7160, 7518, 7748, 8344, 8940, 9308, 9685, 10024, 10430, 10740, 10920, 11622, 11635, 12516, 12530, 13559, 13962, 15036, 15496, 15645, 16289, 17880, 18616, 18795, 19370, 20860, 21480, 23244, 23270, 25032, 25060, 26671, 27118, 27924, 29055, 30072, 31290, 32578, 34905, 37590, 38740, 40677, 41720, 46488, 46540, 48867, 50120, 53342, 54236, 55848, 58110, 62580, 65156, 67795, 69810, 75180, 77480, 80013, 81354, 81445, 93080, 97734, 106684, 108472, 116220, 125160, 130312, 133355, 135590, 139620, 150360, 160026, 162708, 162890, 186697, 195468, 203385, 213368, 232440, 244335, 266710, 271180, 279240, 320052, 325416, 325780, 346723, 373394, 390936, 400065, 406770, 488670, 533420, 542360, 560091, 640104, 651560, 693446, 746788, 800130, 813540, 933485, 977340, 1040169, 1066840, 1120182, 1386892, 1493576, 1600260, 1627080, 1733615, 1866970, 1954680, 2080338, 2240364, 2427061, 2773784, 2800455, 3200520, 3467230, 3733940, 4160676, 4480728, 4854122, 5200845, 5600910, 6934460, 7281183, 7467880, 8321352, 9708244, 10401690, 11201820, 12135305, 13868920, 14562366, 19416488, 20803380, 22403640, 24270610, 29124732, 36405915, 41606760, 48541220, 58249464, 72811830, 97082440, 145623660, 291247320]

約数ペア:

[(1, 291247320), (2, 145623660), (3, 97082440), (4, 72811830), (5, 58249464), (6, 48541220), (7, 41606760), (8, 36405915), (10, 29124732), (12, 24270610), (13, 22403640), (14, 20803380), (15, 19416488), (20, 14562366), (21, 13868920), (24, 12135305), (26, 11201820), (28, 10401690), (30, 9708244), (35, 8321352), (39, 7467880), (40, 7281183), (42, 6934460), (52, 5600910), (56, 5200845), (60, 4854122), (65, 4480728), (70, 4160676), (78, 3733940), (84, 3467230), (91, 3200520), (104, 2800455), (105, 2773784), (120, 2427061), (130, 2240364), (140, 2080338), (149, 1954680), (156, 1866970), (168, 1733615), (179, 1627080), (182, 1600260), (195, 1493576), (210, 1386892), (260, 1120182), (273, 1066840), (280, 1040169), (298, 977340), (312, 933485), (358, 813540), (364, 800130), (390, 746788), (420, 693446), (447, 651560), (455, 640104), (520, 560091), (537, 542360), (546, 533420), (596, 488670), (716, 406770), (728, 400065), (745, 390936), (780, 373394), (840, 346723), (894, 325780), (895, 325416), (910, 320052), (1043, 279240), (1074, 271180), (1092, 266710), (1192, 244335), (1253, 232440), (1365, 213368), (1432, 203385), (1490, 195468), (1560, 186697), (1788, 162890), (1790, 162708), (1820, 160026), (1937, 150360), (2086, 139620), (2148, 135590), (2184, 133355), (2235, 130312), (2327, 125160), (2506, 116220), (2685, 108472), (2730, 106684), (2980, 97734), (3129, 93080), (3576, 81445), (3580, 81354), (3640, 80013), (3759, 77480), (3874, 75180), (4172, 69810), (4296, 67795), (4470, 65156), (4654, 62580), (5012, 58110), (5215, 55848), (5370, 54236), (5460, 53342), (5811, 50120), (5960, 48867), (6258, 46540), (6265, 46488), (6981, 41720), (7160, 40677), (7518, 38740), (7748, 37590), (8344, 34905), (8940, 32578), (9308, 31290), (9685, 30072), (10024, 29055), (10430, 27924), (10740, 27118), (10920, 26671), (11622, 25060), (11635, 25032), (12516, 23270), (12530, 23244), (13559, 21480), (13962, 20860), (15036, 19370), (15496, 18795), (15645, 18616), (16289, 17880)]