31582980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 115718400

約数和(自身を除く): 84135420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 270, 286, 297, 330, 351, 390, 396, 409, 429, 468, 495, 540, 572, 585, 594, 660, 702, 715, 780, 818, 858, 990, 1170, 1188, 1227, 1287, 1404, 1430, 1485, 1636, 1716, 1755, 1980, 2045, 2145, 2340, 2454, 2574, 2860, 2970, 3510, 3681, 3861, 4090, 4290, 4499, 4908, 5148, 5317, 5940, 6135, 6435, 7020, 7362, 7722, 8180, 8580, 8998, 10634, 11043, 12270, 12870, 13497, 14724, 15444, 15951, 17996, 18405, 19305, 21268, 22086, 22495, 24540, 25740, 26585, 26994, 31902, 36810, 38610, 40491, 44172, 44990, 47853, 53170, 53988, 55215, 58487, 63804, 67485, 73620, 77220, 79755, 80982, 89980, 95706, 106340, 110430, 116974, 121473, 134970, 143559, 159510, 161964, 175461, 191412, 202455, 220860, 233948, 239265, 242946, 269940, 287118, 292435, 319020, 350922, 404910, 478530, 485892, 526383, 574236, 584870, 607365, 701844, 717795, 809820, 877305, 957060, 1052766, 1169740, 1214730, 1435590, 1579149, 1754610, 2105532, 2429460, 2631915, 2871180, 3158298, 3509220, 5263830, 6316596, 7895745, 10527660, 15791490, 31582980]

約数ペア:

[(1, 31582980), (2, 15791490), (3, 10527660), (4, 7895745), (5, 6316596), (6, 5263830), (9, 3509220), (10, 3158298), (11, 2871180), (12, 2631915), (13, 2429460), (15, 2105532), (18, 1754610), (20, 1579149), (22, 1435590), (26, 1214730), (27, 1169740), (30, 1052766), (33, 957060), (36, 877305), (39, 809820), (44, 717795), (45, 701844), (52, 607365), (54, 584870), (55, 574236), (60, 526383), (65, 485892), (66, 478530), (78, 404910), (90, 350922), (99, 319020), (108, 292435), (110, 287118), (117, 269940), (130, 242946), (132, 239265), (135, 233948), (143, 220860), (156, 202455), (165, 191412), (180, 175461), (195, 161964), (198, 159510), (220, 143559), (234, 134970), (260, 121473), (270, 116974), (286, 110430), (297, 106340), (330, 95706), (351, 89980), (390, 80982), (396, 79755), (409, 77220), (429, 73620), (468, 67485), (495, 63804), (540, 58487), (572, 55215), (585, 53988), (594, 53170), (660, 47853), (702, 44990), (715, 44172), (780, 40491), (818, 38610), (858, 36810), (990, 31902), (1170, 26994), (1188, 26585), (1227, 25740), (1287, 24540), (1404, 22495), (1430, 22086), (1485, 21268), (1636, 19305), (1716, 18405), (1755, 17996), (1980, 15951), (2045, 15444), (2145, 14724), (2340, 13497), (2454, 12870), (2574, 12270), (2860, 11043), (2970, 10634), (3510, 8998), (3681, 8580), (3861, 8180), (4090, 7722), (4290, 7362), (4499, 7020), (4908, 6435), (5148, 6135), (5317, 5940)]