280705620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 288

約数和(自身を含む): 944455680

約数和(自身を除く): 663750060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 38, 39, 47, 52, 57, 60, 62, 65, 76, 78, 93, 94, 95, 114, 124, 130, 141, 155, 156, 169, 186, 188, 190, 195, 228, 235, 247, 260, 282, 285, 310, 338, 372, 380, 390, 403, 465, 470, 494, 507, 564, 570, 589, 611, 620, 676, 705, 741, 780, 806, 845, 893, 930, 940, 988, 1014, 1140, 1178, 1209, 1222, 1235, 1410, 1457, 1482, 1612, 1690, 1767, 1786, 1833, 1860, 2015, 2028, 2356, 2418, 2444, 2470, 2535, 2679, 2820, 2914, 2945, 2964, 3055, 3211, 3380, 3534, 3572, 3666, 3705, 4030, 4371, 4465, 4836, 4940, 5070, 5239, 5358, 5828, 5890, 6045, 6110, 6422, 7068, 7285, 7332, 7410, 7657, 7943, 8060, 8742, 8835, 8930, 9165, 9633, 10140, 10478, 10716, 11609, 11780, 12090, 12220, 12844, 13395, 14570, 14820, 15314, 15717, 15886, 16055, 17484, 17670, 17860, 18330, 18941, 19266, 20956, 21855, 22971, 23218, 23829, 24180, 26195, 26790, 27683, 29140, 30628, 31434, 31772, 32110, 34827, 35340, 36660, 37882, 38285, 38532, 39715, 43710, 45942, 46436, 47658, 48165, 52390, 53580, 55366, 56823, 58045, 62868, 64220, 69654, 75764, 76570, 78585, 79430, 83049, 87420, 91884, 94705, 95316, 96330, 99541, 104780, 110732, 113646, 114855, 116090, 119145, 138415, 139308, 150917, 153140, 157170, 158860, 166098, 174135, 189410, 192660, 199082, 227292, 229710, 232180, 238290, 246233, 276830, 284115, 298623, 301834, 314340, 332196, 348270, 359879, 378820, 398164, 415245, 452751, 459420, 476580, 492466, 497705, 553660, 568230, 597246, 603668, 696540, 719758, 738699, 754585, 830490, 905502, 984932, 995410, 1079637, 1136460, 1194492, 1231165, 1439516, 1477398, 1493115, 1509170, 1660980, 1799395, 1811004, 1990820, 2159274, 2263755, 2462330, 2954796, 2986230, 3018340, 3598790, 3693495, 4318548, 4527510, 4678427, 4924660, 5398185, 5972460, 7197580, 7386990, 9055020, 9356854, 10796370, 14035281, 14773980, 18713708, 21592740, 23392135, 28070562, 46784270, 56141124, 70176405, 93568540, 140352810, 280705620]

約数ペア:

[(1, 280705620), (2, 140352810), (3, 93568540), (4, 70176405), (5, 56141124), (6, 46784270), (10, 28070562), (12, 23392135), (13, 21592740), (15, 18713708), (19, 14773980), (20, 14035281), (26, 10796370), (30, 9356854), (31, 9055020), (38, 7386990), (39, 7197580), (47, 5972460), (52, 5398185), (57, 4924660), (60, 4678427), (62, 4527510), (65, 4318548), (76, 3693495), (78, 3598790), (93, 3018340), (94, 2986230), (95, 2954796), (114, 2462330), (124, 2263755), (130, 2159274), (141, 1990820), (155, 1811004), (156, 1799395), (169, 1660980), (186, 1509170), (188, 1493115), (190, 1477398), (195, 1439516), (228, 1231165), (235, 1194492), (247, 1136460), (260, 1079637), (282, 995410), (285, 984932), (310, 905502), (338, 830490), (372, 754585), (380, 738699), (390, 719758), (403, 696540), (465, 603668), (470, 597246), (494, 568230), (507, 553660), (564, 497705), (570, 492466), (589, 476580), (611, 459420), (620, 452751), (676, 415245), (705, 398164), (741, 378820), (780, 359879), (806, 348270), (845, 332196), (893, 314340), (930, 301834), (940, 298623), (988, 284115), (1014, 276830), (1140, 246233), (1178, 238290), (1209, 232180), (1222, 229710), (1235, 227292), (1410, 199082), (1457, 192660), (1482, 189410), (1612, 174135), (1690, 166098), (1767, 158860), (1786, 157170), (1833, 153140), (1860, 150917), (2015, 139308), (2028, 138415), (2356, 119145), (2418, 116090), (2444, 114855), (2470, 113646), (2535, 110732), (2679, 104780), (2820, 99541), (2914, 96330), (2945, 95316), (2964, 94705), (3055, 91884), (3211, 87420), (3380, 83049), (3534, 79430), (3572, 78585), (3666, 76570), (3705, 75764), (4030, 69654), (4371, 64220), (4465, 62868), (4836, 58045), (4940, 56823), (5070, 55366), (5239, 53580), (5358, 52390), (5828, 48165), (5890, 47658), (6045, 46436), (6110, 45942), (6422, 43710), (7068, 39715), (7285, 38532), (7332, 38285), (7410, 37882), (7657, 36660), (7943, 35340), (8060, 34827), (8742, 32110), (8835, 31772), (8930, 31434), (9165, 30628), (9633, 29140), (10140, 27683), (10478, 26790), (10716, 26195), (11609, 24180), (11780, 23829), (12090, 23218), (12220, 22971), (12844, 21855), (13395, 20956), (14570, 19266), (14820, 18941), (15314, 18330), (15717, 17860), (15886, 17670), (16055, 17484)]