65440240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 160123680

約数和(自身を除く): 94683440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 80, 116, 134, 145, 232, 268, 290, 335, 421, 464, 536, 580, 670, 842, 1072, 1160, 1340, 1684, 1943, 2105, 2320, 2680, 3368, 3886, 4210, 5360, 6736, 7772, 8420, 9715, 12209, 15544, 16840, 19430, 24418, 28207, 31088, 33680, 38860, 48836, 56414, 61045, 77720, 97672, 112828, 122090, 141035, 155440, 195344, 225656, 244180, 282070, 451312, 488360, 564140, 818003, 976720, 1128280, 1636006, 2256560, 3272012, 4090015, 6544024, 8180030, 13088048, 16360060, 32720120, 65440240]

約数ペア:

[(1, 65440240), (2, 32720120), (4, 16360060), (5, 13088048), (8, 8180030), (10, 6544024), (16, 4090015), (20, 3272012), (29, 2256560), (40, 1636006), (58, 1128280), (67, 976720), (80, 818003), (116, 564140), (134, 488360), (145, 451312), (232, 282070), (268, 244180), (290, 225656), (335, 195344), (421, 155440), (464, 141035), (536, 122090), (580, 112828), (670, 97672), (842, 77720), (1072, 61045), (1160, 56414), (1340, 48836), (1684, 38860), (1943, 33680), (2105, 31088), (2320, 28207), (2680, 24418), (3368, 19430), (3886, 16840), (4210, 15544), (5360, 12209), (6736, 9715), (7772, 8420)]