805140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{71}}^1$

素因数の和:99

約数の個数: 120

約数和(自身を含む): 2927232

約数和(自身を除く): 2122092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 81, 84, 90, 105, 108, 126, 135, 140, 142, 162, 180, 189, 210, 213, 252, 270, 284, 315, 324, 355, 378, 405, 420, 426, 497, 540, 567, 630, 639, 710, 756, 810, 852, 945, 994, 1065, 1134, 1260, 1278, 1420, 1491, 1620, 1890, 1917, 1988, 2130, 2268, 2485, 2556, 2835, 2982, 3195, 3780, 3834, 4260, 4473, 4970, 5670, 5751, 5964, 6390, 7455, 7668, 8946, 9585, 9940, 11340, 11502, 12780, 13419, 14910, 17892, 19170, 22365, 23004, 26838, 28755, 29820, 38340, 40257, 44730, 53676, 57510, 67095, 80514, 89460, 115020, 134190, 161028, 201285, 268380, 402570, 805140]

約数ペア:

[(1, 805140), (2, 402570), (3, 268380), (4, 201285), (5, 161028), (6, 134190), (7, 115020), (9, 89460), (10, 80514), (12, 67095), (14, 57510), (15, 53676), (18, 44730), (20, 40257), (21, 38340), (27, 29820), (28, 28755), (30, 26838), (35, 23004), (36, 22365), (42, 19170), (45, 17892), (54, 14910), (60, 13419), (63, 12780), (70, 11502), (71, 11340), (81, 9940), (84, 9585), (90, 8946), (105, 7668), (108, 7455), (126, 6390), (135, 5964), (140, 5751), (142, 5670), (162, 4970), (180, 4473), (189, 4260), (210, 3834), (213, 3780), (252, 3195), (270, 2982), (284, 2835), (315, 2556), (324, 2485), (355, 2268), (378, 2130), (405, 1988), (420, 1917), (426, 1890), (497, 1620), (540, 1491), (567, 1420), (630, 1278), (639, 1260), (710, 1134), (756, 1065), (810, 994), (852, 945)]