155421240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 128

約数和(自身を含む): 509967360

約数和(自身を除く): 354546120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1340, 1487, 1560, 1608, 1742, 2010, 2613, 2680, 2974, 3484, 4020, 4355, 4461, 5226, 5948, 6968, 7435, 8040, 8710, 8922, 10452, 11896, 13065, 14870, 17420, 17844, 19331, 20904, 22305, 26130, 29740, 34840, 35688, 38662, 44610, 52260, 57993, 59480, 77324, 89220, 96655, 99629, 104520, 115986, 154648, 178440, 193310, 199258, 231972, 289965, 298887, 386620, 398516, 463944, 498145, 579930, 597774, 773240, 797032, 996290, 1159860, 1195548, 1295177, 1494435, 1992580, 2319720, 2391096, 2590354, 2988870, 3885531, 3985160, 5180708, 5977740, 6475885, 7771062, 10361416, 11955480, 12951770, 15542124, 19427655, 25903540, 31084248, 38855310, 51807080, 77710620, 155421240]

約数ペア:

[(1, 155421240), (2, 77710620), (3, 51807080), (4, 38855310), (5, 31084248), (6, 25903540), (8, 19427655), (10, 15542124), (12, 12951770), (13, 11955480), (15, 10361416), (20, 7771062), (24, 6475885), (26, 5977740), (30, 5180708), (39, 3985160), (40, 3885531), (52, 2988870), (60, 2590354), (65, 2391096), (67, 2319720), (78, 1992580), (104, 1494435), (120, 1295177), (130, 1195548), (134, 1159860), (156, 996290), (195, 797032), (201, 773240), (260, 597774), (268, 579930), (312, 498145), (335, 463944), (390, 398516), (402, 386620), (520, 298887), (536, 289965), (670, 231972), (780, 199258), (804, 193310), (871, 178440), (1005, 154648), (1340, 115986), (1487, 104520), (1560, 99629), (1608, 96655), (1742, 89220), (2010, 77324), (2613, 59480), (2680, 57993), (2974, 52260), (3484, 44610), (4020, 38662), (4355, 35688), (4461, 34840), (5226, 29740), (5948, 26130), (6968, 22305), (7435, 20904), (8040, 19331), (8710, 17844), (8922, 17420), (10452, 14870), (11896, 13065)]