1640086992

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 240

約数和(自身を含む): 5085150720

約数和(自身を除く): 3445063728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 61, 62, 72, 76, 93, 114, 122, 124, 144, 152, 171, 183, 186, 228, 244, 248, 279, 304, 317, 342, 366, 372, 456, 488, 496, 549, 558, 589, 634, 684, 732, 744, 912, 951, 976, 1098, 1116, 1159, 1178, 1268, 1368, 1464, 1488, 1767, 1891, 1902, 2196, 2232, 2318, 2356, 2536, 2736, 2853, 2928, 3477, 3534, 3782, 3804, 4392, 4464, 4636, 4712, 5072, 5301, 5673, 5706, 6023, 6954, 7068, 7564, 7608, 8784, 9272, 9424, 9827, 10431, 10602, 11346, 11412, 12046, 13908, 14136, 15128, 15216, 17019, 18069, 18544, 19337, 19654, 20862, 21204, 22692, 22824, 24092, 27816, 28272, 29481, 30256, 34038, 35929, 36138, 38674, 39308, 41724, 42408, 45384, 45648, 48184, 54207, 55632, 58011, 58962, 68076, 71858, 72276, 77348, 78616, 83448, 84816, 88443, 90768, 96368, 107787, 108414, 116022, 117924, 136152, 143716, 144552, 154696, 157232, 166896, 174033, 176886, 186713, 215574, 216828, 232044, 235848, 272304, 287432, 289104, 309392, 323361, 348066, 353772, 367403, 373426, 431148, 433656, 464088, 471696, 560139, 574864, 599447, 646722, 696132, 707544, 734806, 746852, 862296, 867312, 928176, 1102209, 1120278, 1198894, 1293444, 1392264, 1415088, 1469612, 1493704, 1680417, 1724592, 1798341, 2204418, 2240556, 2397788, 2586888, 2784528, 2939224, 2987408, 3306627, 3360834, 3596682, 4408836, 4481112, 4795576, 5173776, 5395023, 5878448, 6613254, 6721668, 7193364, 8817672, 8962224, 9591152, 10790046, 11389493, 13226508, 13443336, 14386728, 17635344, 21580092, 22778986, 26453016, 26886672, 28773456, 34168479, 43160184, 45557972, 52906032, 68336958, 86320368, 91115944, 102505437, 136673916, 182231888, 205010874, 273347832, 410021748, 546695664, 820043496, 1640086992]

約数ペア:

[(1, 1640086992), (2, 820043496), (3, 546695664), (4, 410021748), (6, 273347832), (8, 205010874), (9, 182231888), (12, 136673916), (16, 102505437), (18, 91115944), (19, 86320368), (24, 68336958), (31, 52906032), (36, 45557972), (38, 43160184), (48, 34168479), (57, 28773456), (61, 26886672), (62, 26453016), (72, 22778986), (76, 21580092), (93, 17635344), (114, 14386728), (122, 13443336), (124, 13226508), (144, 11389493), (152, 10790046), (171, 9591152), (183, 8962224), (186, 8817672), (228, 7193364), (244, 6721668), (248, 6613254), (279, 5878448), (304, 5395023), (317, 5173776), (342, 4795576), (366, 4481112), (372, 4408836), (456, 3596682), (488, 3360834), (496, 3306627), (549, 2987408), (558, 2939224), (589, 2784528), (634, 2586888), (684, 2397788), (732, 2240556), (744, 2204418), (912, 1798341), (951, 1724592), (976, 1680417), (1098, 1493704), (1116, 1469612), (1159, 1415088), (1178, 1392264), (1268, 1293444), (1368, 1198894), (1464, 1120278), (1488, 1102209), (1767, 928176), (1891, 867312), (1902, 862296), (2196, 746852), (2232, 734806), (2318, 707544), (2356, 696132), (2536, 646722), (2736, 599447), (2853, 574864), (2928, 560139), (3477, 471696), (3534, 464088), (3782, 433656), (3804, 431148), (4392, 373426), (4464, 367403), (4636, 353772), (4712, 348066), (5072, 323361), (5301, 309392), (5673, 289104), (5706, 287432), (6023, 272304), (6954, 235848), (7068, 232044), (7564, 216828), (7608, 215574), (8784, 186713), (9272, 176886), (9424, 174033), (9827, 166896), (10431, 157232), (10602, 154696), (11346, 144552), (11412, 143716), (12046, 136152), (13908, 117924), (14136, 116022), (15128, 108414), (15216, 107787), (17019, 96368), (18069, 90768), (18544, 88443), (19337, 84816), (19654, 83448), (20862, 78616), (21204, 77348), (22692, 72276), (22824, 71858), (24092, 68076), (27816, 58962), (28272, 58011), (29481, 55632), (30256, 54207), (34038, 48184), (35929, 45648), (36138, 45384), (38674, 42408), (39308, 41724)]