186978420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17029}}^1$

素因数の和:17105

約数の個数: 72

約数和(自身を含む): 576499560

約数和(自身を除く): 389521140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 17029, 34058, 51087, 68116, 85145, 102174, 153261, 170290, 204348, 255435, 306522, 340580, 510870, 613044, 766305, 1021740, 1038769, 1532610, 2077538, 3065220, 3116307, 4155076, 5193845, 6232614, 9348921, 10387690, 12465228, 15581535, 18697842, 20775380, 31163070, 37395684, 46744605, 62326140, 93489210, 186978420]

約数ペア:

[(1, 186978420), (2, 93489210), (3, 62326140), (4, 46744605), (5, 37395684), (6, 31163070), (9, 20775380), (10, 18697842), (12, 15581535), (15, 12465228), (18, 10387690), (20, 9348921), (30, 6232614), (36, 5193845), (45, 4155076), (60, 3116307), (61, 3065220), (90, 2077538), (122, 1532610), (180, 1038769), (183, 1021740), (244, 766305), (305, 613044), (366, 510870), (549, 340580), (610, 306522), (732, 255435), (915, 204348), (1098, 170290), (1220, 153261), (1830, 102174), (2196, 85145), (2745, 68116), (3660, 51087), (5490, 34058), (10980, 17029)]