40139460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1289}}^1$

素因数の和:1477

約数の個数: 72

約数和(自身を含む): 122555160

約数和(自身を除く): 82415700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1289, 1557, 1730, 2076, 2578, 2595, 3114, 3460, 3867, 5156, 5190, 6228, 6445, 7734, 7785, 10380, 11601, 12890, 15468, 15570, 19335, 23202, 25780, 31140, 38670, 46404, 58005, 77340, 116010, 222997, 232020, 445994, 668991, 891988, 1114985, 1337982, 2006973, 2229970, 2675964, 3344955, 4013946, 4459940, 6689910, 8027892, 10034865, 13379820, 20069730, 40139460]

約数ペア:

[(1, 40139460), (2, 20069730), (3, 13379820), (4, 10034865), (5, 8027892), (6, 6689910), (9, 4459940), (10, 4013946), (12, 3344955), (15, 2675964), (18, 2229970), (20, 2006973), (30, 1337982), (36, 1114985), (45, 891988), (60, 668991), (90, 445994), (173, 232020), (180, 222997), (346, 116010), (519, 77340), (692, 58005), (865, 46404), (1038, 38670), (1289, 31140), (1557, 25780), (1730, 23202), (2076, 19335), (2578, 15570), (2595, 15468), (3114, 12890), (3460, 11601), (3867, 10380), (5156, 7785), (5190, 7734), (6228, 6445)]