15519420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 54774720

約数和(自身を除く): 39255300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 113, 126, 140, 180, 210, 218, 226, 252, 315, 327, 339, 420, 436, 452, 545, 565, 630, 654, 678, 763, 791, 981, 1017, 1090, 1130, 1260, 1308, 1356, 1526, 1582, 1635, 1695, 1962, 2034, 2180, 2260, 2289, 2373, 3052, 3164, 3270, 3390, 3815, 3924, 3955, 4068, 4578, 4746, 4905, 5085, 6540, 6780, 6867, 7119, 7630, 7910, 9156, 9492, 9810, 10170, 11445, 11865, 12317, 13734, 14238, 15260, 15820, 19620, 20340, 22890, 23730, 24634, 27468, 28476, 34335, 35595, 36951, 45780, 47460, 49268, 61585, 68670, 71190, 73902, 86219, 110853, 123170, 137340, 142380, 147804, 172438, 184755, 221706, 246340, 258657, 344876, 369510, 431095, 443412, 517314, 554265, 739020, 775971, 862190, 1034628, 1108530, 1293285, 1551942, 1724380, 2217060, 2586570, 3103884, 3879855, 5173140, 7759710, 15519420]

約数ペア:

[(1, 15519420), (2, 7759710), (3, 5173140), (4, 3879855), (5, 3103884), (6, 2586570), (7, 2217060), (9, 1724380), (10, 1551942), (12, 1293285), (14, 1108530), (15, 1034628), (18, 862190), (20, 775971), (21, 739020), (28, 554265), (30, 517314), (35, 443412), (36, 431095), (42, 369510), (45, 344876), (60, 258657), (63, 246340), (70, 221706), (84, 184755), (90, 172438), (105, 147804), (109, 142380), (113, 137340), (126, 123170), (140, 110853), (180, 86219), (210, 73902), (218, 71190), (226, 68670), (252, 61585), (315, 49268), (327, 47460), (339, 45780), (420, 36951), (436, 35595), (452, 34335), (545, 28476), (565, 27468), (630, 24634), (654, 23730), (678, 22890), (763, 20340), (791, 19620), (981, 15820), (1017, 15260), (1090, 14238), (1130, 13734), (1260, 12317), (1308, 11865), (1356, 11445), (1526, 10170), (1582, 9810), (1635, 9492), (1695, 9156), (1962, 7910), (2034, 7630), (2180, 7119), (2260, 6867), (2289, 6780), (2373, 6540), (3052, 5085), (3164, 4905), (3270, 4746), (3390, 4578), (3815, 4068), (3924, 3955)]