31407120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 106498392

約数和(自身を除く): 75091272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 181, 240, 241, 360, 362, 482, 543, 720, 723, 724, 905, 964, 1086, 1205, 1446, 1448, 1629, 1810, 1928, 2169, 2172, 2410, 2715, 2892, 2896, 3258, 3615, 3620, 3856, 4338, 4344, 4820, 5430, 5784, 6516, 7230, 7240, 8145, 8676, 8688, 9640, 10845, 10860, 11568, 13032, 14460, 14480, 16290, 17352, 19280, 21690, 21720, 26064, 28920, 32580, 34704, 43380, 43440, 43621, 57840, 65160, 86760, 87242, 130320, 130863, 173520, 174484, 218105, 261726, 348968, 392589, 436210, 523452, 654315, 697936, 785178, 872420, 1046904, 1308630, 1570356, 1744840, 1962945, 2093808, 2617260, 3140712, 3489680, 3925890, 5234520, 6281424, 7851780, 10469040, 15703560, 31407120]

約数ペア:

[(1, 31407120), (2, 15703560), (3, 10469040), (4, 7851780), (5, 6281424), (6, 5234520), (8, 3925890), (9, 3489680), (10, 3140712), (12, 2617260), (15, 2093808), (16, 1962945), (18, 1744840), (20, 1570356), (24, 1308630), (30, 1046904), (36, 872420), (40, 785178), (45, 697936), (48, 654315), (60, 523452), (72, 436210), (80, 392589), (90, 348968), (120, 261726), (144, 218105), (180, 174484), (181, 173520), (240, 130863), (241, 130320), (360, 87242), (362, 86760), (482, 65160), (543, 57840), (720, 43621), (723, 43440), (724, 43380), (905, 34704), (964, 32580), (1086, 28920), (1205, 26064), (1446, 21720), (1448, 21690), (1629, 19280), (1810, 17352), (1928, 16290), (2169, 14480), (2172, 14460), (2410, 13032), (2715, 11568), (2892, 10860), (2896, 10845), (3258, 9640), (3615, 8688), (3620, 8676), (3856, 8145), (4338, 7240), (4344, 7230), (4820, 6516), (5430, 5784)]