90513640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 245721600

約数和(自身を除く): 155207960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 140, 142, 145, 157, 203, 232, 280, 284, 290, 314, 355, 406, 497, 568, 580, 628, 710, 785, 812, 994, 1015, 1099, 1160, 1256, 1420, 1570, 1624, 1988, 2030, 2059, 2198, 2485, 2840, 3140, 3976, 4060, 4118, 4396, 4553, 4970, 5495, 6280, 8120, 8236, 8792, 9106, 9940, 10295, 10990, 11147, 14413, 16472, 18212, 19880, 20590, 21980, 22294, 22765, 28826, 31871, 36424, 41180, 43960, 44588, 45530, 55735, 57652, 63742, 72065, 78029, 82360, 89176, 91060, 111470, 115304, 127484, 144130, 156058, 159355, 182120, 222940, 254968, 288260, 312116, 318710, 323263, 390145, 445880, 576520, 624232, 637420, 646526, 780290, 1274840, 1293052, 1560580, 1616315, 2262841, 2586104, 3121160, 3232630, 4525682, 6465260, 9051364, 11314205, 12930520, 18102728, 22628410, 45256820, 90513640]

約数ペア:

[(1, 90513640), (2, 45256820), (4, 22628410), (5, 18102728), (7, 12930520), (8, 11314205), (10, 9051364), (14, 6465260), (20, 4525682), (28, 3232630), (29, 3121160), (35, 2586104), (40, 2262841), (56, 1616315), (58, 1560580), (70, 1293052), (71, 1274840), (116, 780290), (140, 646526), (142, 637420), (145, 624232), (157, 576520), (203, 445880), (232, 390145), (280, 323263), (284, 318710), (290, 312116), (314, 288260), (355, 254968), (406, 222940), (497, 182120), (568, 159355), (580, 156058), (628, 144130), (710, 127484), (785, 115304), (812, 111470), (994, 91060), (1015, 89176), (1099, 82360), (1160, 78029), (1256, 72065), (1420, 63742), (1570, 57652), (1624, 55735), (1988, 45530), (2030, 44588), (2059, 43960), (2198, 41180), (2485, 36424), (2840, 31871), (3140, 28826), (3976, 22765), (4060, 22294), (4118, 21980), (4396, 20590), (4553, 19880), (4970, 18212), (5495, 16472), (6280, 14413), (8120, 11147), (8236, 10990), (8792, 10295), (9106, 9940)]