90791560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 230169600

約数和(自身を除く): 139378040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 59, 62, 68, 73, 85, 118, 124, 136, 146, 155, 170, 236, 248, 292, 295, 310, 340, 365, 472, 527, 584, 590, 620, 680, 730, 1003, 1054, 1180, 1240, 1241, 1460, 1829, 2006, 2108, 2263, 2360, 2482, 2635, 2920, 3658, 4012, 4216, 4307, 4526, 4964, 5015, 5270, 6205, 7316, 8024, 8614, 9052, 9145, 9928, 10030, 10540, 11315, 12410, 14632, 17228, 18104, 18290, 20060, 21080, 21535, 22630, 24820, 31093, 34456, 36580, 38471, 40120, 43070, 45260, 49640, 62186, 73160, 73219, 76942, 86140, 90520, 124372, 133517, 146438, 153884, 155465, 172280, 192355, 248744, 267034, 292876, 307768, 310930, 366095, 384710, 534068, 585752, 621860, 667585, 732190, 769420, 1068136, 1243720, 1335170, 1464380, 1538840, 2269789, 2670340, 2928760, 4539578, 5340680, 9079156, 11348945, 18158312, 22697890, 45395780, 90791560]

約数ペア:

[(1, 90791560), (2, 45395780), (4, 22697890), (5, 18158312), (8, 11348945), (10, 9079156), (17, 5340680), (20, 4539578), (31, 2928760), (34, 2670340), (40, 2269789), (59, 1538840), (62, 1464380), (68, 1335170), (73, 1243720), (85, 1068136), (118, 769420), (124, 732190), (136, 667585), (146, 621860), (155, 585752), (170, 534068), (236, 384710), (248, 366095), (292, 310930), (295, 307768), (310, 292876), (340, 267034), (365, 248744), (472, 192355), (527, 172280), (584, 155465), (590, 153884), (620, 146438), (680, 133517), (730, 124372), (1003, 90520), (1054, 86140), (1180, 76942), (1240, 73219), (1241, 73160), (1460, 62186), (1829, 49640), (2006, 45260), (2108, 43070), (2263, 40120), (2360, 38471), (2482, 36580), (2635, 34456), (2920, 31093), (3658, 24820), (4012, 22630), (4216, 21535), (4307, 21080), (4526, 20060), (4964, 18290), (5015, 18104), (5270, 17228), (6205, 14632), (7316, 12410), (8024, 11315), (8614, 10540), (9052, 10030), (9145, 9928)]