215527480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:738

約数の個数: 128

約数和(自身を含む): 590976000

約数和(自身を除く): 375448520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 392, 460, 490, 644, 683, 686, 805, 920, 980, 1127, 1288, 1366, 1372, 1610, 1715, 1960, 2254, 2732, 2744, 3220, 3415, 3430, 4508, 4781, 5464, 5635, 6440, 6830, 6860, 7889, 9016, 9562, 11270, 13660, 13720, 15709, 15778, 19124, 22540, 23905, 27320, 31418, 31556, 33467, 38248, 39445, 45080, 47810, 62836, 63112, 66934, 78545, 78890, 95620, 109963, 125672, 133868, 157090, 157780, 167335, 191240, 219926, 234269, 267736, 314180, 315560, 334670, 439852, 468538, 549815, 628360, 669340, 769741, 879704, 937076, 1099630, 1171345, 1338680, 1539482, 1874152, 2199260, 2342690, 3078964, 3848705, 4398520, 4685380, 5388187, 6157928, 7697410, 9370760, 10776374, 15394820, 21552748, 26940935, 30789640, 43105496, 53881870, 107763740, 215527480]

約数ペア:

[(1, 215527480), (2, 107763740), (4, 53881870), (5, 43105496), (7, 30789640), (8, 26940935), (10, 21552748), (14, 15394820), (20, 10776374), (23, 9370760), (28, 7697410), (35, 6157928), (40, 5388187), (46, 4685380), (49, 4398520), (56, 3848705), (70, 3078964), (92, 2342690), (98, 2199260), (115, 1874152), (140, 1539482), (161, 1338680), (184, 1171345), (196, 1099630), (230, 937076), (245, 879704), (280, 769741), (322, 669340), (343, 628360), (392, 549815), (460, 468538), (490, 439852), (644, 334670), (683, 315560), (686, 314180), (805, 267736), (920, 234269), (980, 219926), (1127, 191240), (1288, 167335), (1366, 157780), (1372, 157090), (1610, 133868), (1715, 125672), (1960, 109963), (2254, 95620), (2732, 78890), (2744, 78545), (3220, 66934), (3415, 63112), (3430, 62836), (4508, 47810), (4781, 45080), (5464, 39445), (5635, 38248), (6440, 33467), (6830, 31556), (6860, 31418), (7889, 27320), (9016, 23905), (9562, 22540), (11270, 19124), (13660, 15778), (13720, 15709)]