40378410

素因数分解:

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

素因数の和:244

約数の個数: 72

約数和(自身を含む): 107679780

約数和(自身を除く): 67301370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 89, 90, 142, 178, 213, 267, 355, 426, 445, 534, 639, 710, 801, 890, 1065, 1278, 1335, 1602, 2130, 2670, 3195, 4005, 5041, 6319, 6390, 8010, 10082, 12638, 15123, 18957, 25205, 30246, 31595, 37914, 45369, 50410, 56871, 63190, 75615, 90738, 94785, 113742, 151230, 189570, 226845, 284355, 448649, 453690, 568710, 897298, 1345947, 2243245, 2691894, 4037841, 4486490, 6729735, 8075682, 13459470, 20189205, 40378410]

約数ペア:

[(1, 40378410), (2, 20189205), (3, 13459470), (5, 8075682), (6, 6729735), (9, 4486490), (10, 4037841), (15, 2691894), (18, 2243245), (30, 1345947), (45, 897298), (71, 568710), (89, 453690), (90, 448649), (142, 284355), (178, 226845), (213, 189570), (267, 151230), (355, 113742), (426, 94785), (445, 90738), (534, 75615), (639, 63190), (710, 56871), (801, 50410), (890, 45369), (1065, 37914), (1278, 31595), (1335, 30246), (1602, 25205), (2130, 18957), (2670, 15123), (3195, 12638), (4005, 10082), (5041, 8010), (6319, 6390)]