69977880

素因数分解:

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

素因数の和:3998

約数の個数: 144

約数和(自身を含む): 264625920

約数和(自身を除く): 194648040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3967, 4410, 5880, 7934, 8820, 11901, 15868, 17640, 19835, 23802, 27769, 31736, 35703, 39670, 47604, 55538, 59505, 71406, 79340, 83307, 95208, 111076, 119010, 138845, 142812, 158680, 166614, 178515, 194383, 222152, 238020, 249921, 277690, 285624, 333228, 357030, 388766, 416535, 476040, 499842, 555380, 583149, 666456, 714060, 777532, 833070, 971915, 999684, 1110760, 1166298, 1249605, 1428120, 1555064, 1666140, 1749447, 1943830, 1999368, 2332596, 2499210, 2915745, 3332280, 3498894, 3887660, 4665192, 4998420, 5831490, 6997788, 7775320, 8747235, 9996840, 11662980, 13995576, 17494470, 23325960, 34988940, 69977880]

約数ペア:

[(1, 69977880), (2, 34988940), (3, 23325960), (4, 17494470), (5, 13995576), (6, 11662980), (7, 9996840), (8, 8747235), (9, 7775320), (10, 6997788), (12, 5831490), (14, 4998420), (15, 4665192), (18, 3887660), (20, 3498894), (21, 3332280), (24, 2915745), (28, 2499210), (30, 2332596), (35, 1999368), (36, 1943830), (40, 1749447), (42, 1666140), (45, 1555064), (49, 1428120), (56, 1249605), (60, 1166298), (63, 1110760), (70, 999684), (72, 971915), (84, 833070), (90, 777532), (98, 714060), (105, 666456), (120, 583149), (126, 555380), (140, 499842), (147, 476040), (168, 416535), (180, 388766), (196, 357030), (210, 333228), (245, 285624), (252, 277690), (280, 249921), (294, 238020), (315, 222152), (360, 194383), (392, 178515), (420, 166614), (441, 158680), (490, 142812), (504, 138845), (588, 119010), (630, 111076), (735, 95208), (840, 83307), (882, 79340), (980, 71406), (1176, 59505), (1260, 55538), (1470, 47604), (1764, 39670), (1960, 35703), (2205, 31736), (2520, 27769), (2940, 23802), (3528, 19835), (3967, 17640), (4410, 15868), (5880, 11901), (7934, 8820)]