30838980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2971}}^1$

素因数の和:3156

約数の個数: 48

約数和(自身を含む): 86877504

約数和(自身を除く): 56038524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2076, 2595, 2971, 3460, 5190, 5942, 8913, 10380, 11884, 14855, 17826, 29710, 35652, 44565, 59420, 89130, 178260, 513983, 1027966, 1541949, 2055932, 2569915, 3083898, 5139830, 6167796, 7709745, 10279660, 15419490, 30838980]

約数ペア:

[(1, 30838980), (2, 15419490), (3, 10279660), (4, 7709745), (5, 6167796), (6, 5139830), (10, 3083898), (12, 2569915), (15, 2055932), (20, 1541949), (30, 1027966), (60, 513983), (173, 178260), (346, 89130), (519, 59420), (692, 44565), (865, 35652), (1038, 29710), (1730, 17826), (2076, 14855), (2595, 11884), (2971, 10380), (3460, 8913), (5190, 5942)]