89451280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 228179592

約数和(自身を除く): 138728312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 73, 80, 85, 106, 136, 146, 170, 212, 265, 272, 289, 292, 340, 365, 424, 530, 578, 584, 680, 730, 848, 901, 1060, 1156, 1168, 1241, 1360, 1445, 1460, 1802, 2120, 2312, 2482, 2890, 2920, 3604, 3869, 4240, 4505, 4624, 4964, 5780, 5840, 6205, 7208, 7738, 9010, 9928, 11560, 12410, 14416, 15317, 15476, 18020, 19345, 19856, 21097, 23120, 24820, 30634, 30952, 36040, 38690, 42194, 49640, 61268, 61904, 65773, 72080, 76585, 77380, 84388, 99280, 105485, 122536, 131546, 153170, 154760, 168776, 210970, 245072, 263092, 306340, 309520, 328865, 337552, 421940, 526184, 612680, 657730, 843880, 1052368, 1118141, 1225360, 1315460, 1687760, 2236282, 2630920, 4472564, 5261840, 5590705, 8945128, 11181410, 17890256, 22362820, 44725640, 89451280]

約数ペア:

[(1, 89451280), (2, 44725640), (4, 22362820), (5, 17890256), (8, 11181410), (10, 8945128), (16, 5590705), (17, 5261840), (20, 4472564), (34, 2630920), (40, 2236282), (53, 1687760), (68, 1315460), (73, 1225360), (80, 1118141), (85, 1052368), (106, 843880), (136, 657730), (146, 612680), (170, 526184), (212, 421940), (265, 337552), (272, 328865), (289, 309520), (292, 306340), (340, 263092), (365, 245072), (424, 210970), (530, 168776), (578, 154760), (584, 153170), (680, 131546), (730, 122536), (848, 105485), (901, 99280), (1060, 84388), (1156, 77380), (1168, 76585), (1241, 72080), (1360, 65773), (1445, 61904), (1460, 61268), (1802, 49640), (2120, 42194), (2312, 38690), (2482, 36040), (2890, 30952), (2920, 30634), (3604, 24820), (3869, 23120), (4240, 21097), (4505, 19856), (4624, 19345), (4964, 18020), (5780, 15476), (5840, 15317), (6205, 14416), (7208, 12410), (7738, 11560), (9010, 9928)]