13421340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 41041728

約数和(自身を除く): 27620388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 431, 519, 692, 862, 865, 1038, 1293, 1557, 1724, 1730, 2076, 2155, 2586, 2595, 3114, 3460, 3879, 4310, 5172, 5190, 6228, 6465, 7758, 7785, 8620, 10380, 12930, 15516, 15570, 19395, 25860, 31140, 38790, 74563, 77580, 149126, 223689, 298252, 372815, 447378, 671067, 745630, 894756, 1118445, 1342134, 1491260, 2236890, 2684268, 3355335, 4473780, 6710670, 13421340]

約数ペア:

[(1, 13421340), (2, 6710670), (3, 4473780), (4, 3355335), (5, 2684268), (6, 2236890), (9, 1491260), (10, 1342134), (12, 1118445), (15, 894756), (18, 745630), (20, 671067), (30, 447378), (36, 372815), (45, 298252), (60, 223689), (90, 149126), (173, 77580), (180, 74563), (346, 38790), (431, 31140), (519, 25860), (692, 19395), (862, 15570), (865, 15516), (1038, 12930), (1293, 10380), (1557, 8620), (1724, 7785), (1730, 7758), (2076, 6465), (2155, 6228), (2586, 5190), (2595, 5172), (3114, 4310), (3460, 3879)]