31954440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 110880000

約数和(自身を除く): 78925560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 349, 420, 436, 545, 654, 698, 763, 840, 872, 1047, 1090, 1308, 1396, 1526, 1635, 1745, 2094, 2180, 2289, 2443, 2616, 2792, 3052, 3270, 3490, 3815, 4188, 4360, 4578, 4886, 5235, 6104, 6540, 6980, 7329, 7630, 8376, 9156, 9772, 10470, 11445, 12215, 13080, 13960, 14658, 15260, 18312, 19544, 20940, 22890, 24430, 29316, 30520, 36645, 38041, 41880, 45780, 48860, 58632, 73290, 76082, 91560, 97720, 114123, 146580, 152164, 190205, 228246, 266287, 293160, 304328, 380410, 456492, 532574, 570615, 760820, 798861, 912984, 1065148, 1141230, 1331435, 1521640, 1597722, 2130296, 2282460, 2662870, 3195444, 3994305, 4564920, 5325740, 6390888, 7988610, 10651480, 15977220, 31954440]

約数ペア:

[(1, 31954440), (2, 15977220), (3, 10651480), (4, 7988610), (5, 6390888), (6, 5325740), (7, 4564920), (8, 3994305), (10, 3195444), (12, 2662870), (14, 2282460), (15, 2130296), (20, 1597722), (21, 1521640), (24, 1331435), (28, 1141230), (30, 1065148), (35, 912984), (40, 798861), (42, 760820), (56, 570615), (60, 532574), (70, 456492), (84, 380410), (105, 304328), (109, 293160), (120, 266287), (140, 228246), (168, 190205), (210, 152164), (218, 146580), (280, 114123), (327, 97720), (349, 91560), (420, 76082), (436, 73290), (545, 58632), (654, 48860), (698, 45780), (763, 41880), (840, 38041), (872, 36645), (1047, 30520), (1090, 29316), (1308, 24430), (1396, 22890), (1526, 20940), (1635, 19544), (1745, 18312), (2094, 15260), (2180, 14658), (2289, 13960), (2443, 13080), (2616, 12215), (2792, 11445), (3052, 10470), (3270, 9772), (3490, 9156), (3815, 8376), (4188, 7630), (4360, 7329), (4578, 6980), (4886, 6540), (5235, 6104)]