28162380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3583}}^1$

素因数の和:3726

約数の個数: 48

約数和(自身を含む): 79478784

約数和(自身を除く): 51316404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3583, 3930, 7166, 7860, 10749, 14332, 17915, 21498, 35830, 42996, 53745, 71660, 107490, 214980, 469373, 938746, 1408119, 1877492, 2346865, 2816238, 4693730, 5632476, 7040595, 9387460, 14081190, 28162380]

約数ペア:

[(1, 28162380), (2, 14081190), (3, 9387460), (4, 7040595), (5, 5632476), (6, 4693730), (10, 2816238), (12, 2346865), (15, 1877492), (20, 1408119), (30, 938746), (60, 469373), (131, 214980), (262, 107490), (393, 71660), (524, 53745), (655, 42996), (786, 35830), (1310, 21498), (1572, 17915), (1965, 14332), (2620, 10749), (3583, 7860), (3930, 7166)]