15309490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 33882624

約数和(自身を除く): 18573134

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 70, 74, 115, 161, 185, 230, 257, 259, 322, 370, 514, 518, 805, 851, 1285, 1295, 1610, 1702, 1799, 2570, 2590, 3598, 4255, 5911, 5957, 8510, 8995, 9509, 11822, 11914, 17990, 19018, 29555, 29785, 41377, 47545, 59110, 59570, 66563, 82754, 95090, 133126, 206885, 218707, 332815, 413770, 437414, 665630, 1093535, 1530949, 2187070, 3061898, 7654745, 15309490]

約数ペア:

[(1, 15309490), (2, 7654745), (5, 3061898), (7, 2187070), (10, 1530949), (14, 1093535), (23, 665630), (35, 437414), (37, 413770), (46, 332815), (70, 218707), (74, 206885), (115, 133126), (161, 95090), (185, 82754), (230, 66563), (257, 59570), (259, 59110), (322, 47545), (370, 41377), (514, 29785), (518, 29555), (805, 19018), (851, 17990), (1285, 11914), (1295, 11822), (1610, 9509), (1702, 8995), (1799, 8510), (2570, 5957), (2590, 5911), (3598, 4255)]