221074020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39619}}^1$

素因数の和:39665

約数の個数: 72

約数和(自身を含む): 692240640

約数和(自身を除く): 471166620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39619, 79238, 118857, 158476, 198095, 237714, 356571, 396190, 475428, 594285, 713142, 792380, 1188570, 1228189, 1426284, 1782855, 2377140, 2456378, 3565710, 3684567, 4912756, 6140945, 7131420, 7369134, 11053701, 12281890, 14738268, 18422835, 22107402, 24563780, 36845670, 44214804, 55268505, 73691340, 110537010, 221074020]

約数ペア:

[(1, 221074020), (2, 110537010), (3, 73691340), (4, 55268505), (5, 44214804), (6, 36845670), (9, 24563780), (10, 22107402), (12, 18422835), (15, 14738268), (18, 12281890), (20, 11053701), (30, 7369134), (31, 7131420), (36, 6140945), (45, 4912756), (60, 3684567), (62, 3565710), (90, 2456378), (93, 2377140), (124, 1782855), (155, 1426284), (180, 1228189), (186, 1188570), (279, 792380), (310, 713142), (372, 594285), (465, 475428), (558, 396190), (620, 356571), (930, 237714), (1116, 198095), (1395, 158476), (1860, 118857), (2790, 79238), (5580, 39619)]