54640180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 139345920

約数和(自身を除く): 84705740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 92, 115, 140, 142, 161, 230, 239, 284, 322, 355, 460, 478, 497, 644, 710, 805, 956, 994, 1195, 1420, 1610, 1633, 1673, 1988, 2390, 2485, 3220, 3266, 3346, 4780, 4970, 5497, 6532, 6692, 8165, 8365, 9940, 10994, 11431, 16330, 16730, 16969, 21988, 22862, 27485, 32660, 33460, 33938, 38479, 45724, 54970, 57155, 67876, 76958, 84845, 109940, 114310, 118783, 153916, 169690, 192395, 228620, 237566, 339380, 384790, 390287, 475132, 593915, 769580, 780574, 1187830, 1561148, 1951435, 2375660, 2732009, 3902870, 5464018, 7805740, 10928036, 13660045, 27320090, 54640180]

約数ペア:

[(1, 54640180), (2, 27320090), (4, 13660045), (5, 10928036), (7, 7805740), (10, 5464018), (14, 3902870), (20, 2732009), (23, 2375660), (28, 1951435), (35, 1561148), (46, 1187830), (70, 780574), (71, 769580), (92, 593915), (115, 475132), (140, 390287), (142, 384790), (161, 339380), (230, 237566), (239, 228620), (284, 192395), (322, 169690), (355, 153916), (460, 118783), (478, 114310), (497, 109940), (644, 84845), (710, 76958), (805, 67876), (956, 57155), (994, 54970), (1195, 45724), (1420, 38479), (1610, 33938), (1633, 33460), (1673, 32660), (1988, 27485), (2390, 22862), (2485, 21988), (3220, 16969), (3266, 16730), (3346, 16330), (4780, 11431), (4970, 10994), (5497, 9940), (6532, 8365), (6692, 8165)]