98880780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18517}}^1$

素因数の和:18618

約数の個数: 48

約数和(自身を含む): 279992160

約数和(自身を除く): 181111380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 18517, 37034, 55551, 74068, 92585, 111102, 185170, 222204, 277755, 370340, 555510, 1111020, 1648013, 3296026, 4944039, 6592052, 8240065, 9888078, 16480130, 19776156, 24720195, 32960260, 49440390, 98880780]

約数ペア:

[(1, 98880780), (2, 49440390), (3, 32960260), (4, 24720195), (5, 19776156), (6, 16480130), (10, 9888078), (12, 8240065), (15, 6592052), (20, 4944039), (30, 3296026), (60, 1648013), (89, 1111020), (178, 555510), (267, 370340), (356, 277755), (445, 222204), (534, 185170), (890, 111102), (1068, 92585), (1335, 74068), (1780, 55551), (2670, 37034), (5340, 18517)]