31359120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:94

約数の個数: 240

約数和(自身を含む): 115200960

約数和(自身を除く): 83841840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 23, 24, 26, 30, 38, 39, 40, 46, 48, 52, 57, 60, 65, 69, 76, 78, 80, 92, 95, 104, 114, 115, 120, 130, 138, 152, 156, 184, 190, 195, 208, 228, 230, 240, 247, 260, 276, 285, 299, 304, 312, 345, 368, 380, 390, 437, 456, 460, 494, 520, 529, 552, 570, 598, 624, 690, 741, 760, 780, 874, 897, 912, 920, 988, 1040, 1058, 1104, 1140, 1196, 1235, 1311, 1380, 1482, 1495, 1520, 1560, 1587, 1748, 1794, 1840, 1976, 2116, 2185, 2280, 2392, 2470, 2622, 2645, 2760, 2964, 2990, 3120, 3174, 3496, 3588, 3705, 3952, 4232, 4370, 4485, 4560, 4784, 4940, 5244, 5290, 5520, 5681, 5928, 5980, 6348, 6555, 6877, 6992, 7176, 7410, 7935, 8464, 8740, 8970, 9880, 10051, 10488, 10580, 11362, 11856, 11960, 12696, 13110, 13754, 14352, 14820, 15870, 17043, 17480, 17940, 19760, 20102, 20631, 20976, 21160, 22724, 23920, 25392, 26220, 27508, 28405, 29640, 30153, 31740, 34086, 34385, 34960, 35880, 40204, 41262, 42320, 45448, 50255, 52440, 55016, 56810, 59280, 60306, 63480, 68172, 68770, 71760, 80408, 82524, 85215, 90896, 100510, 103155, 104880, 110032, 113620, 120612, 126960, 130663, 136344, 137540, 150765, 160816, 165048, 170430, 201020, 206310, 227240, 241224, 261326, 272688, 275080, 301530, 330096, 340860, 391989, 402040, 412620, 454480, 482448, 522652, 550160, 603060, 653315, 681720, 783978, 804080, 825240, 1045304, 1206120, 1306630, 1363440, 1567956, 1650480, 1959945, 2090608, 2412240, 2613260, 3135912, 3919890, 5226520, 6271824, 7839780, 10453040, 15679560, 31359120]

約数ペア:

[(1, 31359120), (2, 15679560), (3, 10453040), (4, 7839780), (5, 6271824), (6, 5226520), (8, 3919890), (10, 3135912), (12, 2613260), (13, 2412240), (15, 2090608), (16, 1959945), (19, 1650480), (20, 1567956), (23, 1363440), (24, 1306630), (26, 1206120), (30, 1045304), (38, 825240), (39, 804080), (40, 783978), (46, 681720), (48, 653315), (52, 603060), (57, 550160), (60, 522652), (65, 482448), (69, 454480), (76, 412620), (78, 402040), (80, 391989), (92, 340860), (95, 330096), (104, 301530), (114, 275080), (115, 272688), (120, 261326), (130, 241224), (138, 227240), (152, 206310), (156, 201020), (184, 170430), (190, 165048), (195, 160816), (208, 150765), (228, 137540), (230, 136344), (240, 130663), (247, 126960), (260, 120612), (276, 113620), (285, 110032), (299, 104880), (304, 103155), (312, 100510), (345, 90896), (368, 85215), (380, 82524), (390, 80408), (437, 71760), (456, 68770), (460, 68172), (494, 63480), (520, 60306), (529, 59280), (552, 56810), (570, 55016), (598, 52440), (624, 50255), (690, 45448), (741, 42320), (760, 41262), (780, 40204), (874, 35880), (897, 34960), (912, 34385), (920, 34086), (988, 31740), (1040, 30153), (1058, 29640), (1104, 28405), (1140, 27508), (1196, 26220), (1235, 25392), (1311, 23920), (1380, 22724), (1482, 21160), (1495, 20976), (1520, 20631), (1560, 20102), (1587, 19760), (1748, 17940), (1794, 17480), (1840, 17043), (1976, 15870), (2116, 14820), (2185, 14352), (2280, 13754), (2392, 13110), (2470, 12696), (2622, 11960), (2645, 11856), (2760, 11362), (2964, 10580), (2990, 10488), (3120, 10051), (3174, 9880), (3496, 8970), (3588, 8740), (3705, 8464), (3952, 7935), (4232, 7410), (4370, 7176), (4485, 6992), (4560, 6877), (4784, 6555), (4940, 6348), (5244, 5980), (5290, 5928), (5520, 5681)]