89460

素因数分解:

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

素因数の和:93

約数の個数: 72

約数和(自身を含む): 314496

約数和(自身を除く): 225036

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2982, 3195, 4260, 4473, 4970, 5964, 6390, 7455, 8946, 9940, 12780, 14910, 17892, 22365, 29820, 44730, 89460]

約数ペア:

[(1, 89460), (2, 44730), (3, 29820), (4, 22365), (5, 17892), (6, 14910), (7, 12780), (9, 9940), (10, 8946), (12, 7455), (14, 6390), (15, 5964), (18, 4970), (20, 4473), (21, 4260), (28, 3195), (30, 2982), (35, 2556), (36, 2485), (42, 2130), (45, 1988), (60, 1491), (63, 1420), (70, 1278), (71, 1260), (84, 1065), (90, 994), (105, 852), (126, 710), (140, 639), (142, 630), (180, 497), (210, 426), (213, 420), (252, 355), (284, 315)]