155204920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 413683200

約数和(自身を除く): 258478280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 380, 437, 460, 494, 520, 598, 683, 760, 874, 920, 988, 1196, 1235, 1366, 1495, 1748, 1976, 2185, 2392, 2470, 2732, 2990, 3415, 3496, 4370, 4940, 5464, 5681, 5980, 6830, 8740, 8879, 9880, 11362, 11960, 12977, 13660, 15709, 17480, 17758, 22724, 25954, 27320, 28405, 31418, 35516, 44395, 45448, 51908, 56810, 62836, 64885, 71032, 78545, 88790, 103816, 113620, 125672, 129770, 157090, 168701, 177580, 204217, 227240, 259540, 298471, 314180, 337402, 355160, 408434, 519080, 596942, 628360, 674804, 816868, 843505, 1021085, 1193884, 1349608, 1492355, 1633736, 1687010, 2042170, 2387768, 2984710, 3374020, 3880123, 4084340, 5969420, 6748040, 7760246, 8168680, 11938840, 15520492, 19400615, 31040984, 38801230, 77602460, 155204920]

約数ペア:

[(1, 155204920), (2, 77602460), (4, 38801230), (5, 31040984), (8, 19400615), (10, 15520492), (13, 11938840), (19, 8168680), (20, 7760246), (23, 6748040), (26, 5969420), (38, 4084340), (40, 3880123), (46, 3374020), (52, 2984710), (65, 2387768), (76, 2042170), (92, 1687010), (95, 1633736), (104, 1492355), (115, 1349608), (130, 1193884), (152, 1021085), (184, 843505), (190, 816868), (230, 674804), (247, 628360), (260, 596942), (299, 519080), (380, 408434), (437, 355160), (460, 337402), (494, 314180), (520, 298471), (598, 259540), (683, 227240), (760, 204217), (874, 177580), (920, 168701), (988, 157090), (1196, 129770), (1235, 125672), (1366, 113620), (1495, 103816), (1748, 88790), (1976, 78545), (2185, 71032), (2392, 64885), (2470, 62836), (2732, 56810), (2990, 51908), (3415, 45448), (3496, 44395), (4370, 35516), (4940, 31418), (5464, 28405), (5681, 27320), (5980, 25954), (6830, 22724), (8740, 17758), (8879, 17480), (9880, 15709), (11362, 13660), (11960, 12977)]