26918940

素因数分解:

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

素因数の和:243

約数の個数: 72

約数和(自身を含む): 77308560

約数和(自身を除く): 50389620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 89, 142, 178, 213, 267, 284, 355, 356, 426, 445, 534, 710, 852, 890, 1065, 1068, 1335, 1420, 1780, 2130, 2670, 4260, 5041, 5340, 6319, 10082, 12638, 15123, 18957, 20164, 25205, 25276, 30246, 31595, 37914, 50410, 60492, 63190, 75615, 75828, 94785, 100820, 126380, 151230, 189570, 302460, 379140, 448649, 897298, 1345947, 1794596, 2243245, 2691894, 4486490, 5383788, 6729735, 8972980, 13459470, 26918940]

約数ペア:

[(1, 26918940), (2, 13459470), (3, 8972980), (4, 6729735), (5, 5383788), (6, 4486490), (10, 2691894), (12, 2243245), (15, 1794596), (20, 1345947), (30, 897298), (60, 448649), (71, 379140), (89, 302460), (142, 189570), (178, 151230), (213, 126380), (267, 100820), (284, 94785), (355, 75828), (356, 75615), (426, 63190), (445, 60492), (534, 50410), (710, 37914), (852, 31595), (890, 30246), (1065, 25276), (1068, 25205), (1335, 20164), (1420, 18957), (1780, 15123), (2130, 12638), (2670, 10082), (4260, 6319), (5041, 5340)]