215172540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1132

約数の個数: 144

約数和(自身を含む): 719278560

約数和(自身を除く): 504106020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 109, 110, 132, 165, 180, 198, 218, 220, 327, 330, 396, 436, 495, 545, 654, 660, 981, 990, 997, 1090, 1199, 1308, 1635, 1962, 1980, 1994, 2180, 2398, 2991, 3270, 3597, 3924, 3988, 4796, 4905, 4985, 5982, 5995, 6540, 7194, 8973, 9810, 9970, 10791, 10967, 11964, 11990, 14388, 14955, 17946, 17985, 19620, 19940, 21582, 21934, 23980, 29910, 32901, 35892, 35970, 43164, 43868, 44865, 53955, 54835, 59820, 65802, 71940, 89730, 98703, 107910, 108673, 109670, 131604, 164505, 179460, 197406, 215820, 217346, 219340, 326019, 329010, 394812, 434692, 493515, 543365, 652038, 658020, 978057, 987030, 1086730, 1195403, 1304076, 1630095, 1956114, 1974060, 2173460, 2390806, 3260190, 3586209, 3912228, 4781612, 4890285, 5977015, 6520380, 7172418, 9780570, 10758627, 11954030, 14344836, 17931045, 19561140, 21517254, 23908060, 35862090, 43034508, 53793135, 71724180, 107586270, 215172540]

約数ペア:

[(1, 215172540), (2, 107586270), (3, 71724180), (4, 53793135), (5, 43034508), (6, 35862090), (9, 23908060), (10, 21517254), (11, 19561140), (12, 17931045), (15, 14344836), (18, 11954030), (20, 10758627), (22, 9780570), (30, 7172418), (33, 6520380), (36, 5977015), (44, 4890285), (45, 4781612), (55, 3912228), (60, 3586209), (66, 3260190), (90, 2390806), (99, 2173460), (109, 1974060), (110, 1956114), (132, 1630095), (165, 1304076), (180, 1195403), (198, 1086730), (218, 987030), (220, 978057), (327, 658020), (330, 652038), (396, 543365), (436, 493515), (495, 434692), (545, 394812), (654, 329010), (660, 326019), (981, 219340), (990, 217346), (997, 215820), (1090, 197406), (1199, 179460), (1308, 164505), (1635, 131604), (1962, 109670), (1980, 108673), (1994, 107910), (2180, 98703), (2398, 89730), (2991, 71940), (3270, 65802), (3597, 59820), (3924, 54835), (3988, 53955), (4796, 44865), (4905, 43868), (4985, 43164), (5982, 35970), (5995, 35892), (6540, 32901), (7194, 29910), (8973, 23980), (9810, 21934), (9970, 21582), (10791, 19940), (10967, 19620), (11964, 17985), (11990, 17946), (14388, 14955)]