220123260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4261}}^1$

素因数の和:4324

約数の個数: 144

約数和(自身を含む): 781889472

約数和(自身を除く): 561766212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 4261, 4305, 5166, 5740, 7380, 8522, 8610, 10332, 12783, 12915, 17044, 17220, 21305, 25566, 25830, 29827, 38349, 42610, 51132, 51660, 59654, 63915, 76698, 85220, 89481, 119308, 127830, 149135, 153396, 174701, 178962, 191745, 255660, 268443, 298270, 349402, 357924, 383490, 447405, 524103, 536886, 596540, 698804, 766980, 873505, 894810, 1048206, 1073772, 1222907, 1342215, 1572309, 1747010, 1789620, 2096412, 2445814, 2620515, 2684430, 3144618, 3494020, 3668721, 4891628, 5241030, 5368860, 6114535, 6289236, 7337442, 7861545, 10482060, 11006163, 12229070, 14674884, 15723090, 18343605, 22012326, 24458140, 31446180, 36687210, 44024652, 55030815, 73374420, 110061630, 220123260]

約数ペア:

[(1, 220123260), (2, 110061630), (3, 73374420), (4, 55030815), (5, 44024652), (6, 36687210), (7, 31446180), (9, 24458140), (10, 22012326), (12, 18343605), (14, 15723090), (15, 14674884), (18, 12229070), (20, 11006163), (21, 10482060), (28, 7861545), (30, 7337442), (35, 6289236), (36, 6114535), (41, 5368860), (42, 5241030), (45, 4891628), (60, 3668721), (63, 3494020), (70, 3144618), (82, 2684430), (84, 2620515), (90, 2445814), (105, 2096412), (123, 1789620), (126, 1747010), (140, 1572309), (164, 1342215), (180, 1222907), (205, 1073772), (210, 1048206), (246, 894810), (252, 873505), (287, 766980), (315, 698804), (369, 596540), (410, 536886), (420, 524103), (492, 447405), (574, 383490), (615, 357924), (630, 349402), (738, 298270), (820, 268443), (861, 255660), (1148, 191745), (1230, 178962), (1260, 174701), (1435, 153396), (1476, 149135), (1722, 127830), (1845, 119308), (2460, 89481), (2583, 85220), (2870, 76698), (3444, 63915), (3690, 59654), (4261, 51660), (4305, 51132), (5166, 42610), (5740, 38349), (7380, 29827), (8522, 25830), (8610, 25566), (10332, 21305), (12783, 17220), (12915, 17044)]