15493720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 39709440

約数和(自身を除く): 24215720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1531, 2024, 2530, 3062, 5060, 6124, 7655, 10120, 12248, 15310, 16841, 30620, 33682, 35213, 61240, 67364, 70426, 84205, 134728, 140852, 168410, 176065, 281704, 336820, 352130, 387343, 673640, 704260, 774686, 1408520, 1549372, 1936715, 3098744, 3873430, 7746860, 15493720]

約数ペア:

[(1, 15493720), (2, 7746860), (4, 3873430), (5, 3098744), (8, 1936715), (10, 1549372), (11, 1408520), (20, 774686), (22, 704260), (23, 673640), (40, 387343), (44, 352130), (46, 336820), (55, 281704), (88, 176065), (92, 168410), (110, 140852), (115, 134728), (184, 84205), (220, 70426), (230, 67364), (253, 61240), (440, 35213), (460, 33682), (506, 30620), (920, 16841), (1012, 15310), (1265, 12248), (1531, 10120), (2024, 7655), (2530, 6124), (3062, 5060)]