15819700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 37962848

約数和(自身を除く): 22143148

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 283, 325, 430, 559, 566, 650, 860, 1075, 1118, 1132, 1300, 1415, 2150, 2236, 2795, 2830, 3679, 4300, 5590, 5660, 7075, 7358, 11180, 12169, 13975, 14150, 14716, 18395, 24338, 27950, 28300, 36790, 48676, 55900, 60845, 73580, 91975, 121690, 158197, 183950, 243380, 304225, 316394, 367900, 608450, 632788, 790985, 1216900, 1581970, 3163940, 3954925, 7909850, 15819700]

約数ペア:

[(1, 15819700), (2, 7909850), (4, 3954925), (5, 3163940), (10, 1581970), (13, 1216900), (20, 790985), (25, 632788), (26, 608450), (43, 367900), (50, 316394), (52, 304225), (65, 243380), (86, 183950), (100, 158197), (130, 121690), (172, 91975), (215, 73580), (260, 60845), (283, 55900), (325, 48676), (430, 36790), (559, 28300), (566, 27950), (650, 24338), (860, 18395), (1075, 14716), (1118, 14150), (1132, 13975), (1300, 12169), (1415, 11180), (2150, 7358), (2236, 7075), (2795, 5660), (2830, 5590), (3679, 4300)]