30018625

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 48817080

約数和(自身を除く): 18798455

約数列:

[1, 5, 7, 13, 25, 29, 35, 49, 65, 91, 125, 145, 169, 175, 203, 245, 325, 377, 455, 637, 725, 845, 875, 1015, 1183, 1225, 1421, 1625, 1885, 2275, 2639, 3185, 3625, 4225, 4901, 5075, 5915, 6125, 7105, 8281, 9425, 11375, 13195, 15925, 18473, 21125, 24505, 25375, 29575, 34307, 35525, 41405, 47125, 65975, 79625, 92365, 122525, 147875, 171535, 177625, 207025, 240149, 329875, 461825, 612625, 857675, 1035125, 1200745, 2309125, 4288375, 6003725, 30018625]

約数ペア:

[(1, 30018625), (5, 6003725), (7, 4288375), (13, 2309125), (25, 1200745), (29, 1035125), (35, 857675), (49, 612625), (65, 461825), (91, 329875), (125, 240149), (145, 207025), (169, 177625), (175, 171535), (203, 147875), (245, 122525), (325, 92365), (377, 79625), (455, 65975), (637, 47125), (725, 41405), (845, 35525), (875, 34307), (1015, 29575), (1183, 25375), (1225, 24505), (1421, 21125), (1625, 18473), (1885, 15925), (2275, 13195), (2639, 11375), (3185, 9425), (3625, 8281), (4225, 7105), (4901, 6125), (5075, 5915)]