280518420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:734

約数の個数: 192

約数和(自身を含む): 979937280

約数和(自身を除く): 699418860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 83, 84, 91, 105, 130, 140, 156, 166, 182, 195, 210, 249, 260, 273, 332, 364, 390, 415, 420, 455, 498, 546, 581, 619, 780, 830, 910, 996, 1079, 1092, 1162, 1238, 1245, 1365, 1660, 1743, 1820, 1857, 2158, 2324, 2476, 2490, 2730, 2905, 3095, 3237, 3486, 3714, 4316, 4333, 4980, 5395, 5460, 5810, 6190, 6474, 6972, 7428, 7553, 8047, 8666, 8715, 9285, 10790, 11620, 12380, 12948, 12999, 15106, 16094, 16185, 17332, 17430, 18570, 21580, 21665, 22659, 24141, 25998, 30212, 32188, 32370, 34860, 37140, 37765, 40235, 43330, 45318, 48282, 51377, 51996, 56329, 64740, 64995, 75530, 80470, 86660, 90636, 96564, 102754, 112658, 113295, 120705, 129990, 151060, 154131, 160940, 168987, 205508, 225316, 226590, 241410, 256885, 259980, 281645, 308262, 337974, 359639, 453180, 482820, 513770, 563290, 616524, 667901, 675948, 719278, 770655, 844935, 1027540, 1078917, 1126580, 1335802, 1438556, 1541310, 1689870, 1798195, 2003703, 2157834, 2671604, 3082620, 3339505, 3379740, 3596390, 4007406, 4315668, 4675307, 5394585, 6679010, 7192780, 8014812, 9350614, 10018515, 10789170, 13358020, 14025921, 18701228, 20037030, 21578340, 23376535, 28051842, 40074060, 46753070, 56103684, 70129605, 93506140, 140259210, 280518420]

約数ペア:

[(1, 280518420), (2, 140259210), (3, 93506140), (4, 70129605), (5, 56103684), (6, 46753070), (7, 40074060), (10, 28051842), (12, 23376535), (13, 21578340), (14, 20037030), (15, 18701228), (20, 14025921), (21, 13358020), (26, 10789170), (28, 10018515), (30, 9350614), (35, 8014812), (39, 7192780), (42, 6679010), (52, 5394585), (60, 4675307), (65, 4315668), (70, 4007406), (78, 3596390), (83, 3379740), (84, 3339505), (91, 3082620), (105, 2671604), (130, 2157834), (140, 2003703), (156, 1798195), (166, 1689870), (182, 1541310), (195, 1438556), (210, 1335802), (249, 1126580), (260, 1078917), (273, 1027540), (332, 844935), (364, 770655), (390, 719278), (415, 675948), (420, 667901), (455, 616524), (498, 563290), (546, 513770), (581, 482820), (619, 453180), (780, 359639), (830, 337974), (910, 308262), (996, 281645), (1079, 259980), (1092, 256885), (1162, 241410), (1238, 226590), (1245, 225316), (1365, 205508), (1660, 168987), (1743, 160940), (1820, 154131), (1857, 151060), (2158, 129990), (2324, 120705), (2476, 113295), (2490, 112658), (2730, 102754), (2905, 96564), (3095, 90636), (3237, 86660), (3486, 80470), (3714, 75530), (4316, 64995), (4333, 64740), (4980, 56329), (5395, 51996), (5460, 51377), (5810, 48282), (6190, 45318), (6474, 43330), (6972, 40235), (7428, 37765), (7553, 37140), (8047, 34860), (8666, 32370), (8715, 32188), (9285, 30212), (10790, 25998), (11620, 24141), (12380, 22659), (12948, 21665), (12999, 21580), (15106, 18570), (16094, 17430), (16185, 17332)]