84973140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4006

約数の個数: 144

約数和(自身を含む): 311980032

約数和(自身を除く): 227006892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 3967, 4284, 5355, 7140, 7934, 10710, 11901, 15868, 19835, 21420, 23802, 27769, 35703, 39670, 47604, 55538, 59505, 67439, 71406, 79340, 83307, 111076, 119010, 134878, 138845, 142812, 166614, 178515, 202317, 238020, 249921, 269756, 277690, 333228, 337195, 357030, 404634, 416535, 472073, 499842, 555380, 606951, 674390, 714060, 809268, 833070, 944146, 999684, 1011585, 1213902, 1249605, 1348780, 1416219, 1666140, 1888292, 2023170, 2360365, 2427804, 2499210, 2832438, 3034755, 4046340, 4248657, 4720730, 4998420, 5664876, 6069510, 7081095, 8497314, 9441460, 12139020, 14162190, 16994628, 21243285, 28324380, 42486570, 84973140]

約数ペア:

[(1, 84973140), (2, 42486570), (3, 28324380), (4, 21243285), (5, 16994628), (6, 14162190), (7, 12139020), (9, 9441460), (10, 8497314), (12, 7081095), (14, 6069510), (15, 5664876), (17, 4998420), (18, 4720730), (20, 4248657), (21, 4046340), (28, 3034755), (30, 2832438), (34, 2499210), (35, 2427804), (36, 2360365), (42, 2023170), (45, 1888292), (51, 1666140), (60, 1416219), (63, 1348780), (68, 1249605), (70, 1213902), (84, 1011585), (85, 999684), (90, 944146), (102, 833070), (105, 809268), (119, 714060), (126, 674390), (140, 606951), (153, 555380), (170, 499842), (180, 472073), (204, 416535), (210, 404634), (238, 357030), (252, 337195), (255, 333228), (306, 277690), (315, 269756), (340, 249921), (357, 238020), (420, 202317), (476, 178515), (510, 166614), (595, 142812), (612, 138845), (630, 134878), (714, 119010), (765, 111076), (1020, 83307), (1071, 79340), (1190, 71406), (1260, 67439), (1428, 59505), (1530, 55538), (1785, 47604), (2142, 39670), (2380, 35703), (3060, 27769), (3570, 23802), (3967, 21420), (4284, 19835), (5355, 15868), (7140, 11901), (7934, 10710)]