215639970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78989}}^1$

素因数の和:79019

約数の個数: 64

約数和(自身を含む): 636975360

約数和(自身を除く): 421335390

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 78989, 157978, 236967, 394945, 473934, 552923, 789890, 1026857, 1105846, 1184835, 1658769, 2053714, 2369670, 2764615, 3080571, 3317538, 5134285, 5529230, 6161142, 7187999, 8293845, 10268570, 14375998, 15402855, 16587690, 21563997, 30805710, 35939995, 43127994, 71879990, 107819985, 215639970]

約数ペア:

[(1, 215639970), (2, 107819985), (3, 71879990), (5, 43127994), (6, 35939995), (7, 30805710), (10, 21563997), (13, 16587690), (14, 15402855), (15, 14375998), (21, 10268570), (26, 8293845), (30, 7187999), (35, 6161142), (39, 5529230), (42, 5134285), (65, 3317538), (70, 3080571), (78, 2764615), (91, 2369670), (105, 2053714), (130, 1658769), (182, 1184835), (195, 1105846), (210, 1026857), (273, 789890), (390, 552923), (455, 473934), (546, 394945), (910, 236967), (1365, 157978), (2730, 78989)]