39987360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3967}}^1$

素因数の和:3995

約数の個数: 144

約数和(自身を含む): 155990016

約数和(自身を除く): 116002656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 3967, 5040, 7934, 10080, 11901, 15868, 19835, 23802, 27769, 31736, 35703, 39670, 47604, 55538, 59505, 63472, 71406, 79340, 83307, 95208, 111076, 119010, 126944, 138845, 142812, 158680, 166614, 178515, 190416, 222152, 238020, 249921, 277690, 285624, 317360, 333228, 357030, 380832, 416535, 444304, 476040, 499842, 555380, 571248, 634720, 666456, 714060, 833070, 888608, 952080, 999684, 1110760, 1142496, 1249605, 1332912, 1428120, 1666140, 1904160, 1999368, 2221520, 2499210, 2665824, 2856240, 3332280, 3998736, 4443040, 4998420, 5712480, 6664560, 7997472, 9996840, 13329120, 19993680, 39987360]

約数ペア:

[(1, 39987360), (2, 19993680), (3, 13329120), (4, 9996840), (5, 7997472), (6, 6664560), (7, 5712480), (8, 4998420), (9, 4443040), (10, 3998736), (12, 3332280), (14, 2856240), (15, 2665824), (16, 2499210), (18, 2221520), (20, 1999368), (21, 1904160), (24, 1666140), (28, 1428120), (30, 1332912), (32, 1249605), (35, 1142496), (36, 1110760), (40, 999684), (42, 952080), (45, 888608), (48, 833070), (56, 714060), (60, 666456), (63, 634720), (70, 571248), (72, 555380), (80, 499842), (84, 476040), (90, 444304), (96, 416535), (105, 380832), (112, 357030), (120, 333228), (126, 317360), (140, 285624), (144, 277690), (160, 249921), (168, 238020), (180, 222152), (210, 190416), (224, 178515), (240, 166614), (252, 158680), (280, 142812), (288, 138845), (315, 126944), (336, 119010), (360, 111076), (420, 95208), (480, 83307), (504, 79340), (560, 71406), (630, 63472), (672, 59505), (720, 55538), (840, 47604), (1008, 39670), (1120, 35703), (1260, 31736), (1440, 27769), (1680, 23802), (2016, 19835), (2520, 15868), (3360, 11901), (3967, 10080), (5040, 7934)]