31293360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{887}}^1$

素因数の和:920

約数の個数: 180

約数和(自身を含む): 122389488

約数和(自身を除く): 91096128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 887, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1774, 1960, 2205, 2352, 2520, 2661, 2940, 3528, 3548, 3920, 4410, 4435, 5040, 5322, 5880, 6209, 7056, 7096, 7983, 8820, 8870, 10644, 11760, 12418, 13305, 14192, 15966, 17640, 17740, 18627, 21288, 24836, 26610, 31045, 31932, 35280, 35480, 37254, 39915, 42576, 43463, 49672, 53220, 55881, 62090, 63864, 70960, 74508, 79830, 86926, 93135, 99344, 106440, 111762, 124180, 127728, 130389, 149016, 159660, 173852, 186270, 212880, 217315, 223524, 248360, 260778, 279405, 298032, 319320, 347704, 372540, 391167, 434630, 447048, 496720, 521556, 558810, 638640, 651945, 695408, 745080, 782334, 869260, 894096, 1043112, 1117620, 1303890, 1490160, 1564668, 1738520, 1955835, 2086224, 2235240, 2607780, 3129336, 3477040, 3911670, 4470480, 5215560, 6258672, 7823340, 10431120, 15646680, 31293360]

約数ペア:

[(1, 31293360), (2, 15646680), (3, 10431120), (4, 7823340), (5, 6258672), (6, 5215560), (7, 4470480), (8, 3911670), (9, 3477040), (10, 3129336), (12, 2607780), (14, 2235240), (15, 2086224), (16, 1955835), (18, 1738520), (20, 1564668), (21, 1490160), (24, 1303890), (28, 1117620), (30, 1043112), (35, 894096), (36, 869260), (40, 782334), (42, 745080), (45, 695408), (48, 651945), (49, 638640), (56, 558810), (60, 521556), (63, 496720), (70, 447048), (72, 434630), (80, 391167), (84, 372540), (90, 347704), (98, 319320), (105, 298032), (112, 279405), (120, 260778), (126, 248360), (140, 223524), (144, 217315), (147, 212880), (168, 186270), (180, 173852), (196, 159660), (210, 149016), (240, 130389), (245, 127728), (252, 124180), (280, 111762), (294, 106440), (315, 99344), (336, 93135), (360, 86926), (392, 79830), (420, 74508), (441, 70960), (490, 63864), (504, 62090), (560, 55881), (588, 53220), (630, 49672), (720, 43463), (735, 42576), (784, 39915), (840, 37254), (882, 35480), (887, 35280), (980, 31932), (1008, 31045), (1176, 26610), (1260, 24836), (1470, 21288), (1680, 18627), (1764, 17740), (1774, 17640), (1960, 15966), (2205, 14192), (2352, 13305), (2520, 12418), (2661, 11760), (2940, 10644), (3528, 8870), (3548, 8820), (3920, 7983), (4410, 7096), (4435, 7056), (5040, 6209), (5322, 5880)]