1223820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 4005456

約数和(自身を除く): 2781636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 523, 585, 780, 1046, 1170, 1569, 2092, 2340, 2615, 3138, 4707, 5230, 6276, 6799, 7845, 9414, 10460, 13598, 15690, 18828, 20397, 23535, 27196, 31380, 33995, 40794, 47070, 61191, 67990, 81588, 94140, 101985, 122382, 135980, 203970, 244764, 305955, 407940, 611910, 1223820]

約数ペア:

[(1, 1223820), (2, 611910), (3, 407940), (4, 305955), (5, 244764), (6, 203970), (9, 135980), (10, 122382), (12, 101985), (13, 94140), (15, 81588), (18, 67990), (20, 61191), (26, 47070), (30, 40794), (36, 33995), (39, 31380), (45, 27196), (52, 23535), (60, 20397), (65, 18828), (78, 15690), (90, 13598), (117, 10460), (130, 9414), (156, 7845), (180, 6799), (195, 6276), (234, 5230), (260, 4707), (390, 3138), (468, 2615), (523, 2340), (585, 2092), (780, 1569), (1046, 1170)]