30618980

素因数分解:

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

素因数の和:333

約数の個数: 96

約数和(自身を含む): 79059456

約数和(自身を除く): 48440476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 230, 257, 259, 322, 370, 460, 514, 518, 644, 740, 805, 851, 1028, 1036, 1285, 1295, 1610, 1702, 1799, 2570, 2590, 3220, 3404, 3598, 4255, 5140, 5180, 5911, 5957, 7196, 8510, 8995, 9509, 11822, 11914, 17020, 17990, 19018, 23644, 23828, 29555, 29785, 35980, 38036, 41377, 47545, 59110, 59570, 66563, 82754, 95090, 118220, 119140, 133126, 165508, 190180, 206885, 218707, 266252, 332815, 413770, 437414, 665630, 827540, 874828, 1093535, 1331260, 1530949, 2187070, 3061898, 4374140, 6123796, 7654745, 15309490, 30618980]

約数ペア:

[(1, 30618980), (2, 15309490), (4, 7654745), (5, 6123796), (7, 4374140), (10, 3061898), (14, 2187070), (20, 1530949), (23, 1331260), (28, 1093535), (35, 874828), (37, 827540), (46, 665630), (70, 437414), (74, 413770), (92, 332815), (115, 266252), (140, 218707), (148, 206885), (161, 190180), (185, 165508), (230, 133126), (257, 119140), (259, 118220), (322, 95090), (370, 82754), (460, 66563), (514, 59570), (518, 59110), (644, 47545), (740, 41377), (805, 38036), (851, 35980), (1028, 29785), (1036, 29555), (1285, 23828), (1295, 23644), (1610, 19018), (1702, 17990), (1799, 17020), (2570, 11914), (2590, 11822), (3220, 9509), (3404, 8995), (3598, 8510), (4255, 7196), (5140, 5957), (5180, 5911)]