81430110

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:687

約数の個数: 80

約数和(自身を含む): 220413600

約数和(自身を除く): 138983490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 229, 270, 405, 439, 458, 687, 810, 878, 1145, 1317, 1374, 2061, 2195, 2290, 2634, 3435, 3951, 4122, 4390, 6183, 6585, 6870, 7902, 10305, 11853, 12366, 13170, 18549, 19755, 20610, 23706, 30915, 35559, 37098, 39510, 59265, 61830, 71118, 92745, 100531, 118530, 177795, 185490, 201062, 301593, 355590, 502655, 603186, 904779, 1005310, 1507965, 1809558, 2714337, 3015930, 4523895, 5428674, 8143011, 9047790, 13571685, 16286022, 27143370, 40715055, 81430110]

約数ペア:

[(1, 81430110), (2, 40715055), (3, 27143370), (5, 16286022), (6, 13571685), (9, 9047790), (10, 8143011), (15, 5428674), (18, 4523895), (27, 3015930), (30, 2714337), (45, 1809558), (54, 1507965), (81, 1005310), (90, 904779), (135, 603186), (162, 502655), (229, 355590), (270, 301593), (405, 201062), (439, 185490), (458, 177795), (687, 118530), (810, 100531), (878, 92745), (1145, 71118), (1317, 61830), (1374, 59265), (2061, 39510), (2195, 37098), (2290, 35559), (2634, 30915), (3435, 23706), (3951, 20610), (4122, 19755), (4390, 18549), (6183, 13170), (6585, 12366), (6870, 11853), (7902, 10305)]