84767440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 210535632

約数和(自身を除く): 125768192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 397, 628, 680, 785, 794, 1256, 1360, 1570, 1588, 1985, 2512, 2669, 3140, 3176, 3970, 5338, 6280, 6352, 6749, 7940, 10676, 12560, 13345, 13498, 15880, 21352, 26690, 26996, 31760, 33745, 42704, 53380, 53992, 62329, 67490, 106760, 107984, 124658, 134980, 213520, 249316, 269960, 311645, 498632, 539920, 623290, 997264, 1059593, 1246580, 2119186, 2493160, 4238372, 4986320, 5297965, 8476744, 10595930, 16953488, 21191860, 42383720, 84767440]

約数ペア:

[(1, 84767440), (2, 42383720), (4, 21191860), (5, 16953488), (8, 10595930), (10, 8476744), (16, 5297965), (17, 4986320), (20, 4238372), (34, 2493160), (40, 2119186), (68, 1246580), (80, 1059593), (85, 997264), (136, 623290), (157, 539920), (170, 498632), (272, 311645), (314, 269960), (340, 249316), (397, 213520), (628, 134980), (680, 124658), (785, 107984), (794, 106760), (1256, 67490), (1360, 62329), (1570, 53992), (1588, 53380), (1985, 42704), (2512, 33745), (2669, 31760), (3140, 26996), (3176, 26690), (3970, 21352), (5338, 15880), (6280, 13498), (6352, 13345), (6749, 12560), (7940, 10676)]