72285975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 140276240

約数和(自身を除く): 67990265

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 457, 475, 555, 703, 855, 925, 1371, 1425, 1665, 2109, 2285, 2775, 3515, 4113, 4275, 6327, 6855, 8325, 8683, 10545, 11425, 16909, 17575, 20565, 26049, 31635, 34275, 43415, 50727, 52725, 78147, 84545, 102825, 130245, 152181, 158175, 217075, 253635, 321271, 390735, 422725, 651225, 760905, 963813, 1268175, 1606355, 1953675, 2891439, 3804525, 4819065, 8031775, 14457195, 24095325, 72285975]

約数ペア:

[(1, 72285975), (3, 24095325), (5, 14457195), (9, 8031775), (15, 4819065), (19, 3804525), (25, 2891439), (37, 1953675), (45, 1606355), (57, 1268175), (75, 963813), (95, 760905), (111, 651225), (171, 422725), (185, 390735), (225, 321271), (285, 253635), (333, 217075), (457, 158175), (475, 152181), (555, 130245), (703, 102825), (855, 84545), (925, 78147), (1371, 52725), (1425, 50727), (1665, 43415), (2109, 34275), (2285, 31635), (2775, 26049), (3515, 20565), (4113, 17575), (4275, 16909), (6327, 11425), (6855, 10545), (8325, 8683)]