101521980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 354594240

約数和(自身を除く): 253072260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 315, 394, 409, 420, 591, 630, 788, 818, 985, 1182, 1227, 1260, 1379, 1636, 1773, 1970, 2045, 2364, 2454, 2758, 2863, 2955, 3546, 3681, 3940, 4090, 4137, 4908, 5516, 5726, 5910, 6135, 6895, 7092, 7362, 8180, 8274, 8589, 8865, 11452, 11820, 12270, 12411, 13790, 14315, 14724, 16548, 17178, 17730, 18405, 20685, 24540, 24822, 25767, 27580, 28630, 34356, 35460, 36810, 41370, 42945, 49644, 51534, 57260, 62055, 73620, 80573, 82740, 85890, 103068, 124110, 128835, 161146, 171780, 241719, 248220, 257670, 322292, 402865, 483438, 515340, 564011, 725157, 805730, 966876, 1128022, 1208595, 1450314, 1611460, 1692033, 2256044, 2417190, 2820055, 2900628, 3384066, 3625785, 4834380, 5076099, 5640110, 6768132, 7251570, 8460165, 10152198, 11280220, 14503140, 16920330, 20304396, 25380495, 33840660, 50760990, 101521980]

約数ペア:

[(1, 101521980), (2, 50760990), (3, 33840660), (4, 25380495), (5, 20304396), (6, 16920330), (7, 14503140), (9, 11280220), (10, 10152198), (12, 8460165), (14, 7251570), (15, 6768132), (18, 5640110), (20, 5076099), (21, 4834380), (28, 3625785), (30, 3384066), (35, 2900628), (36, 2820055), (42, 2417190), (45, 2256044), (60, 1692033), (63, 1611460), (70, 1450314), (84, 1208595), (90, 1128022), (105, 966876), (126, 805730), (140, 725157), (180, 564011), (197, 515340), (210, 483438), (252, 402865), (315, 322292), (394, 257670), (409, 248220), (420, 241719), (591, 171780), (630, 161146), (788, 128835), (818, 124110), (985, 103068), (1182, 85890), (1227, 82740), (1260, 80573), (1379, 73620), (1636, 62055), (1773, 57260), (1970, 51534), (2045, 49644), (2364, 42945), (2454, 41370), (2758, 36810), (2863, 35460), (2955, 34356), (3546, 28630), (3681, 27580), (3940, 25767), (4090, 24822), (4137, 24540), (4908, 20685), (5516, 18405), (5726, 17730), (5910, 17178), (6135, 16548), (6895, 14724), (7092, 14315), (7362, 13790), (8180, 12411), (8274, 12270), (8589, 11820), (8865, 11452)]