131181960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 256

約数和(自身を含む): 497871360

約数和(自身を除く): 366689400

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, 41, 42, 52, 56, 60, 65, 70, 78, 82, 84, 91, 104, 105, 120, 123, 130, 140, 156, 164, 168, 182, 195, 205, 210, 246, 260, 273, 280, 287, 293, 312, 328, 364, 390, 410, 420, 455, 492, 520, 533, 546, 574, 586, 615, 728, 780, 820, 840, 861, 879, 910, 984, 1066, 1092, 1148, 1172, 1230, 1365, 1435, 1465, 1560, 1599, 1640, 1722, 1758, 1820, 2051, 2132, 2184, 2296, 2344, 2460, 2665, 2730, 2870, 2930, 3198, 3444, 3516, 3640, 3731, 3809, 4102, 4264, 4305, 4395, 4920, 5330, 5460, 5740, 5860, 6153, 6396, 6888, 7032, 7462, 7618, 7995, 8204, 8610, 8790, 10255, 10660, 10920, 11193, 11427, 11480, 11720, 12013, 12306, 12792, 14924, 15236, 15990, 16408, 17220, 17580, 18655, 19045, 20510, 21320, 22386, 22854, 24026, 24612, 26663, 29848, 30472, 30765, 31980, 34440, 35160, 36039, 37310, 38090, 41020, 44772, 45708, 48052, 49224, 53326, 55965, 57135, 60065, 61530, 63960, 72078, 74620, 76180, 79989, 82040, 84091, 89544, 91416, 96104, 106652, 111930, 114270, 120130, 123060, 133315, 144156, 149240, 152360, 156169, 159978, 168182, 180195, 213304, 223860, 228540, 240260, 246120, 252273, 266630, 288312, 312338, 319956, 336364, 360390, 399945, 420455, 447720, 457080, 468507, 480520, 504546, 533260, 624676, 639912, 672728, 720780, 780845, 799890, 840910, 937014, 1009092, 1066520, 1093183, 1249352, 1261365, 1441560, 1561690, 1599780, 1681820, 1874028, 2018184, 2186366, 2342535, 2522730, 3123380, 3199560, 3279549, 3363640, 3748056, 4372732, 4685070, 5045460, 5465915, 6246760, 6559098, 8745464, 9370140, 10090920, 10931830, 13118196, 16397745, 18740280, 21863660, 26236392, 32795490, 43727320, 65590980, 131181960]

約数ペア:

[(1, 131181960), (2, 65590980), (3, 43727320), (4, 32795490), (5, 26236392), (6, 21863660), (7, 18740280), (8, 16397745), (10, 13118196), (12, 10931830), (13, 10090920), (14, 9370140), (15, 8745464), (20, 6559098), (21, 6246760), (24, 5465915), (26, 5045460), (28, 4685070), (30, 4372732), (35, 3748056), (39, 3363640), (40, 3279549), (41, 3199560), (42, 3123380), (52, 2522730), (56, 2342535), (60, 2186366), (65, 2018184), (70, 1874028), (78, 1681820), (82, 1599780), (84, 1561690), (91, 1441560), (104, 1261365), (105, 1249352), (120, 1093183), (123, 1066520), (130, 1009092), (140, 937014), (156, 840910), (164, 799890), (168, 780845), (182, 720780), (195, 672728), (205, 639912), (210, 624676), (246, 533260), (260, 504546), (273, 480520), (280, 468507), (287, 457080), (293, 447720), (312, 420455), (328, 399945), (364, 360390), (390, 336364), (410, 319956), (420, 312338), (455, 288312), (492, 266630), (520, 252273), (533, 246120), (546, 240260), (574, 228540), (586, 223860), (615, 213304), (728, 180195), (780, 168182), (820, 159978), (840, 156169), (861, 152360), (879, 149240), (910, 144156), (984, 133315), (1066, 123060), (1092, 120130), (1148, 114270), (1172, 111930), (1230, 106652), (1365, 96104), (1435, 91416), (1465, 89544), (1560, 84091), (1599, 82040), (1640, 79989), (1722, 76180), (1758, 74620), (1820, 72078), (2051, 63960), (2132, 61530), (2184, 60065), (2296, 57135), (2344, 55965), (2460, 53326), (2665, 49224), (2730, 48052), (2870, 45708), (2930, 44772), (3198, 41020), (3444, 38090), (3516, 37310), (3640, 36039), (3731, 35160), (3809, 34440), (4102, 31980), (4264, 30765), (4305, 30472), (4395, 29848), (4920, 26663), (5330, 24612), (5460, 24026), (5740, 22854), (5860, 22386), (6153, 21320), (6396, 20510), (6888, 19045), (7032, 18655), (7462, 17580), (7618, 17220), (7995, 16408), (8204, 15990), (8610, 15236), (8790, 14924), (10255, 12792), (10660, 12306), (10920, 12013), (11193, 11720), (11427, 11480)]