39630780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 139636224

約数和(自身を除く): 100005444

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, 443, 497, 630, 639, 710, 852, 886, 994, 1065, 1260, 1278, 1329, 1420, 1491, 1772, 1988, 2130, 2215, 2485, 2556, 2658, 2982, 3101, 3195, 3987, 4260, 4430, 4473, 4970, 5316, 5964, 6202, 6390, 6645, 7455, 7974, 8860, 8946, 9303, 9940, 12404, 12780, 13290, 14910, 15505, 15948, 17892, 18606, 19935, 22365, 26580, 27909, 29820, 31010, 31453, 37212, 39870, 44730, 46515, 55818, 62020, 62906, 79740, 89460, 93030, 94359, 111636, 125812, 139545, 157265, 186060, 188718, 220171, 279090, 283077, 314530, 377436, 440342, 471795, 558180, 566154, 629060, 660513, 880684, 943590, 1100855, 1132308, 1321026, 1415385, 1887180, 1981539, 2201710, 2642052, 2830770, 3302565, 3963078, 4403420, 5661540, 6605130, 7926156, 9907695, 13210260, 19815390, 39630780]

約数ペア:

[(1, 39630780), (2, 19815390), (3, 13210260), (4, 9907695), (5, 7926156), (6, 6605130), (7, 5661540), (9, 4403420), (10, 3963078), (12, 3302565), (14, 2830770), (15, 2642052), (18, 2201710), (20, 1981539), (21, 1887180), (28, 1415385), (30, 1321026), (35, 1132308), (36, 1100855), (42, 943590), (45, 880684), (60, 660513), (63, 629060), (70, 566154), (71, 558180), (84, 471795), (90, 440342), (105, 377436), (126, 314530), (140, 283077), (142, 279090), (180, 220171), (210, 188718), (213, 186060), (252, 157265), (284, 139545), (315, 125812), (355, 111636), (420, 94359), (426, 93030), (443, 89460), (497, 79740), (630, 62906), (639, 62020), (710, 55818), (852, 46515), (886, 44730), (994, 39870), (1065, 37212), (1260, 31453), (1278, 31010), (1329, 29820), (1420, 27909), (1491, 26580), (1772, 22365), (1988, 19935), (2130, 18606), (2215, 17892), (2485, 15948), (2556, 15505), (2658, 14910), (2982, 13290), (3101, 12780), (3195, 12404), (3987, 9940), (4260, 9303), (4430, 8946), (4473, 8860), (4970, 7974), (5316, 7455), (5964, 6645), (6202, 6390)]