72020936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 80388664

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 89, 104, 124, 178, 248, 251, 356, 403, 502, 712, 806, 1004, 1157, 1612, 2008, 2314, 2759, 3224, 3263, 4628, 5518, 6526, 7781, 9256, 11036, 13052, 15562, 22072, 22339, 26104, 31124, 35867, 44678, 62248, 71734, 89356, 101153, 143468, 178712, 202306, 286936, 290407, 404612, 580814, 692509, 809224, 1161628, 1385018, 2323256, 2770036, 5540072, 9002617, 18005234, 36010468, 72020936]

約数ペア:

[(1, 72020936), (2, 36010468), (4, 18005234), (8, 9002617), (13, 5540072), (26, 2770036), (31, 2323256), (52, 1385018), (62, 1161628), (89, 809224), (104, 692509), (124, 580814), (178, 404612), (248, 290407), (251, 286936), (356, 202306), (403, 178712), (502, 143468), (712, 101153), (806, 89356), (1004, 71734), (1157, 62248), (1612, 44678), (2008, 35867), (2314, 31124), (2759, 26104), (3224, 22339), (3263, 22072), (4628, 15562), (5518, 13052), (6526, 11036), (7781, 9256)]