31581480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 113762880

約数和(自身を除く): 82181400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 49, 56, 60, 70, 82, 84, 98, 105, 120, 123, 131, 140, 147, 164, 168, 196, 205, 210, 245, 246, 262, 280, 287, 294, 328, 392, 393, 410, 420, 490, 492, 524, 574, 588, 615, 655, 735, 786, 820, 840, 861, 917, 980, 984, 1048, 1148, 1176, 1230, 1310, 1435, 1470, 1572, 1640, 1722, 1834, 1960, 1965, 2009, 2296, 2460, 2620, 2751, 2870, 2940, 3144, 3444, 3668, 3930, 4018, 4305, 4585, 4920, 5240, 5371, 5502, 5740, 5880, 6027, 6419, 6888, 7336, 7860, 8036, 8610, 9170, 10045, 10742, 11004, 11480, 12054, 12838, 13755, 15720, 16072, 16113, 17220, 18340, 19257, 20090, 21484, 22008, 24108, 25676, 26855, 27510, 30135, 32095, 32226, 34440, 36680, 37597, 38514, 40180, 42968, 48216, 51352, 53710, 55020, 60270, 64190, 64452, 75194, 77028, 80360, 80565, 96285, 107420, 110040, 112791, 120540, 128380, 128904, 150388, 154056, 161130, 187985, 192570, 214840, 225582, 241080, 256760, 263179, 300776, 322260, 375970, 385140, 451164, 526358, 563955, 644520, 751940, 770280, 789537, 902328, 1052716, 1127910, 1315895, 1503880, 1579074, 2105432, 2255820, 2631790, 3158148, 3947685, 4511640, 5263580, 6316296, 7895370, 10527160, 15790740, 31581480]

約数ペア:

[(1, 31581480), (2, 15790740), (3, 10527160), (4, 7895370), (5, 6316296), (6, 5263580), (7, 4511640), (8, 3947685), (10, 3158148), (12, 2631790), (14, 2255820), (15, 2105432), (20, 1579074), (21, 1503880), (24, 1315895), (28, 1127910), (30, 1052716), (35, 902328), (40, 789537), (41, 770280), (42, 751940), (49, 644520), (56, 563955), (60, 526358), (70, 451164), (82, 385140), (84, 375970), (98, 322260), (105, 300776), (120, 263179), (123, 256760), (131, 241080), (140, 225582), (147, 214840), (164, 192570), (168, 187985), (196, 161130), (205, 154056), (210, 150388), (245, 128904), (246, 128380), (262, 120540), (280, 112791), (287, 110040), (294, 107420), (328, 96285), (392, 80565), (393, 80360), (410, 77028), (420, 75194), (490, 64452), (492, 64190), (524, 60270), (574, 55020), (588, 53710), (615, 51352), (655, 48216), (735, 42968), (786, 40180), (820, 38514), (840, 37597), (861, 36680), (917, 34440), (980, 32226), (984, 32095), (1048, 30135), (1148, 27510), (1176, 26855), (1230, 25676), (1310, 24108), (1435, 22008), (1470, 21484), (1572, 20090), (1640, 19257), (1722, 18340), (1834, 17220), (1960, 16113), (1965, 16072), (2009, 15720), (2296, 13755), (2460, 12838), (2620, 12054), (2751, 11480), (2870, 11004), (2940, 10742), (3144, 10045), (3444, 9170), (3668, 8610), (3930, 8036), (4018, 7860), (4305, 7336), (4585, 6888), (4920, 6419), (5240, 6027), (5371, 5880), (5502, 5740)]