320799420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31267}}^1$

素因数の和:31304

約数の個数: 96

約数和(自身を含む): 1050604800

約数和(自身を除く): 729805380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 31267, 62534, 93801, 125068, 156335, 187602, 281403, 312670, 375204, 469005, 562806, 594073, 625340, 844209, 938010, 1125612, 1188146, 1407015, 1688418, 1782219, 1876020, 2376292, 2814030, 2970365, 3376836, 3564438, 4221045, 5346657, 5628060, 5940730, 7128876, 8442090, 8911095, 10693314, 11881460, 16039971, 16884180, 17822190, 21386628, 26733285, 32079942, 35644380, 53466570, 64159884, 80199855, 106933140, 160399710, 320799420]

約数ペア:

[(1, 320799420), (2, 160399710), (3, 106933140), (4, 80199855), (5, 64159884), (6, 53466570), (9, 35644380), (10, 32079942), (12, 26733285), (15, 21386628), (18, 17822190), (19, 16884180), (20, 16039971), (27, 11881460), (30, 10693314), (36, 8911095), (38, 8442090), (45, 7128876), (54, 5940730), (57, 5628060), (60, 5346657), (76, 4221045), (90, 3564438), (95, 3376836), (108, 2970365), (114, 2814030), (135, 2376292), (171, 1876020), (180, 1782219), (190, 1688418), (228, 1407015), (270, 1188146), (285, 1125612), (342, 938010), (380, 844209), (513, 625340), (540, 594073), (570, 562806), (684, 469005), (855, 375204), (1026, 312670), (1140, 281403), (1710, 187602), (2052, 156335), (2565, 125068), (3420, 93801), (5130, 62534), (10260, 31267)]