245471640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 840499200

約数和(自身を除く): 595027560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 31, 38, 40, 46, 57, 60, 62, 69, 76, 92, 93, 95, 114, 115, 120, 124, 138, 151, 152, 155, 184, 186, 190, 228, 230, 248, 276, 285, 302, 310, 345, 372, 380, 437, 453, 456, 460, 465, 552, 570, 589, 604, 620, 690, 713, 744, 755, 760, 874, 906, 920, 930, 1140, 1178, 1208, 1240, 1311, 1380, 1426, 1510, 1748, 1767, 1812, 1860, 2139, 2185, 2265, 2280, 2356, 2622, 2760, 2852, 2869, 2945, 3020, 3473, 3496, 3534, 3565, 3624, 3720, 4278, 4370, 4530, 4681, 4712, 5244, 5704, 5738, 5890, 6040, 6555, 6946, 7068, 7130, 8556, 8607, 8740, 8835, 9060, 9362, 10419, 10488, 10695, 11476, 11780, 13110, 13547, 13892, 14043, 14136, 14260, 14345, 17112, 17214, 17365, 17480, 17670, 18120, 18724, 20838, 21390, 22952, 23405, 23560, 26220, 27094, 27784, 28086, 28520, 28690, 34428, 34730, 35340, 37448, 40641, 41676, 42780, 43035, 46810, 52095, 52440, 54188, 56172, 57380, 65987, 67735, 68856, 69460, 70215, 70680, 81282, 83352, 85560, 86070, 88939, 93620, 104190, 107663, 108376, 112344, 114760, 131974, 135470, 138920, 140430, 162564, 172140, 177878, 187240, 197961, 203205, 208380, 215326, 263948, 266817, 270940, 280860, 322989, 325128, 329935, 344280, 355756, 395922, 406410, 416760, 430652, 444695, 527896, 533634, 538315, 541880, 561720, 645978, 659870, 711512, 791844, 812820, 861304, 889390, 989805, 1067268, 1076630, 1291956, 1319740, 1334085, 1583688, 1614945, 1625640, 1778780, 1979610, 2045597, 2134536, 2153260, 2583912, 2639480, 2668170, 3229890, 3557560, 3959220, 4091194, 4306520, 5336340, 6136791, 6459780, 7918440, 8182388, 10227985, 10672680, 12273582, 12919560, 16364776, 20455970, 24547164, 30683955, 40911940, 49094328, 61367910, 81823880, 122735820, 245471640]

約数ペア:

[(1, 245471640), (2, 122735820), (3, 81823880), (4, 61367910), (5, 49094328), (6, 40911940), (8, 30683955), (10, 24547164), (12, 20455970), (15, 16364776), (19, 12919560), (20, 12273582), (23, 10672680), (24, 10227985), (30, 8182388), (31, 7918440), (38, 6459780), (40, 6136791), (46, 5336340), (57, 4306520), (60, 4091194), (62, 3959220), (69, 3557560), (76, 3229890), (92, 2668170), (93, 2639480), (95, 2583912), (114, 2153260), (115, 2134536), (120, 2045597), (124, 1979610), (138, 1778780), (151, 1625640), (152, 1614945), (155, 1583688), (184, 1334085), (186, 1319740), (190, 1291956), (228, 1076630), (230, 1067268), (248, 989805), (276, 889390), (285, 861304), (302, 812820), (310, 791844), (345, 711512), (372, 659870), (380, 645978), (437, 561720), (453, 541880), (456, 538315), (460, 533634), (465, 527896), (552, 444695), (570, 430652), (589, 416760), (604, 406410), (620, 395922), (690, 355756), (713, 344280), (744, 329935), (755, 325128), (760, 322989), (874, 280860), (906, 270940), (920, 266817), (930, 263948), (1140, 215326), (1178, 208380), (1208, 203205), (1240, 197961), (1311, 187240), (1380, 177878), (1426, 172140), (1510, 162564), (1748, 140430), (1767, 138920), (1812, 135470), (1860, 131974), (2139, 114760), (2185, 112344), (2265, 108376), (2280, 107663), (2356, 104190), (2622, 93620), (2760, 88939), (2852, 86070), (2869, 85560), (2945, 83352), (3020, 81282), (3473, 70680), (3496, 70215), (3534, 69460), (3565, 68856), (3624, 67735), (3720, 65987), (4278, 57380), (4370, 56172), (4530, 54188), (4681, 52440), (4712, 52095), (5244, 46810), (5704, 43035), (5738, 42780), (5890, 41676), (6040, 40641), (6555, 37448), (6946, 35340), (7068, 34730), (7130, 34428), (8556, 28690), (8607, 28520), (8740, 28086), (8835, 27784), (9060, 27094), (9362, 26220), (10419, 23560), (10488, 23405), (10695, 22952), (11476, 21390), (11780, 20838), (13110, 18724), (13547, 18120), (13892, 17670), (14043, 17480), (14136, 17365), (14260, 17214), (14345, 17112)]