18047760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 56454720

約数和(自身を除く): 38406960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 541, 556, 695, 834, 1082, 1112, 1390, 1623, 1668, 2085, 2164, 2224, 2705, 2780, 3246, 3336, 4170, 4328, 5410, 5560, 6492, 6672, 8115, 8340, 8656, 10820, 11120, 12984, 16230, 16680, 21640, 25968, 32460, 33360, 43280, 64920, 75199, 129840, 150398, 225597, 300796, 375995, 451194, 601592, 751990, 902388, 1127985, 1203184, 1503980, 1804776, 2255970, 3007960, 3609552, 4511940, 6015920, 9023880, 18047760]

約数ペア:

[(1, 18047760), (2, 9023880), (3, 6015920), (4, 4511940), (5, 3609552), (6, 3007960), (8, 2255970), (10, 1804776), (12, 1503980), (15, 1203184), (16, 1127985), (20, 902388), (24, 751990), (30, 601592), (40, 451194), (48, 375995), (60, 300796), (80, 225597), (120, 150398), (139, 129840), (240, 75199), (278, 64920), (417, 43280), (541, 33360), (556, 32460), (695, 25968), (834, 21640), (1082, 16680), (1112, 16230), (1390, 12984), (1623, 11120), (1668, 10820), (2085, 8656), (2164, 8340), (2224, 8115), (2705, 6672), (2780, 6492), (3246, 5560), (3336, 5410), (4170, 4328)]