72191440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^3\times {\mathrm{37}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 178537680

約数和(自身を除く): 106346240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 841, 1073, 1160, 1480, 1682, 2146, 2320, 2960, 3364, 4205, 4292, 5365, 6728, 8410, 8584, 10730, 13456, 16820, 17168, 21460, 24389, 31117, 33640, 42920, 48778, 62234, 67280, 85840, 97556, 121945, 124468, 155585, 195112, 243890, 248936, 311170, 390224, 487780, 497872, 622340, 902393, 975560, 1244680, 1804786, 1951120, 2489360, 3609572, 4511965, 7219144, 9023930, 14438288, 18047860, 36095720, 72191440]

約数ペア:

[(1, 72191440), (2, 36095720), (4, 18047860), (5, 14438288), (8, 9023930), (10, 7219144), (16, 4511965), (20, 3609572), (29, 2489360), (37, 1951120), (40, 1804786), (58, 1244680), (74, 975560), (80, 902393), (116, 622340), (145, 497872), (148, 487780), (185, 390224), (232, 311170), (290, 248936), (296, 243890), (370, 195112), (464, 155585), (580, 124468), (592, 121945), (740, 97556), (841, 85840), (1073, 67280), (1160, 62234), (1480, 48778), (1682, 42920), (2146, 33640), (2320, 31117), (2960, 24389), (3364, 21460), (4205, 17168), (4292, 16820), (5365, 13456), (6728, 10730), (8410, 8584)]