79998540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 230791680

約数和(自身を除く): 150793140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 89, 142, 178, 211, 213, 267, 284, 355, 356, 422, 426, 445, 534, 633, 710, 844, 852, 890, 1055, 1065, 1068, 1266, 1335, 1420, 1780, 2110, 2130, 2532, 2670, 3165, 4220, 4260, 5340, 6319, 6330, 12638, 12660, 14981, 18779, 18957, 25276, 29962, 31595, 37558, 37914, 44943, 56337, 59924, 63190, 74905, 75116, 75828, 89886, 93895, 94785, 112674, 126380, 149810, 179772, 187790, 189570, 224715, 225348, 281685, 299620, 375580, 379140, 449430, 563370, 898860, 1126740, 1333309, 2666618, 3999927, 5333236, 6666545, 7999854, 13333090, 15999708, 19999635, 26666180, 39999270, 79998540]

約数ペア:

[(1, 79998540), (2, 39999270), (3, 26666180), (4, 19999635), (5, 15999708), (6, 13333090), (10, 7999854), (12, 6666545), (15, 5333236), (20, 3999927), (30, 2666618), (60, 1333309), (71, 1126740), (89, 898860), (142, 563370), (178, 449430), (211, 379140), (213, 375580), (267, 299620), (284, 281685), (355, 225348), (356, 224715), (422, 189570), (426, 187790), (445, 179772), (534, 149810), (633, 126380), (710, 112674), (844, 94785), (852, 93895), (890, 89886), (1055, 75828), (1065, 75116), (1068, 74905), (1266, 63190), (1335, 59924), (1420, 56337), (1780, 44943), (2110, 37914), (2130, 37558), (2532, 31595), (2670, 29962), (3165, 25276), (4220, 18957), (4260, 18779), (5340, 14981), (6319, 12660), (6330, 12638)]