279988560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 240

約数和(自身を含む): 1004727360

約数和(自身を除く): 724738800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 97, 114, 120, 144, 152, 171, 180, 190, 194, 211, 228, 240, 285, 291, 304, 342, 360, 380, 388, 422, 456, 485, 570, 582, 633, 684, 720, 760, 776, 844, 855, 873, 912, 970, 1055, 1140, 1164, 1266, 1368, 1455, 1520, 1552, 1688, 1710, 1746, 1843, 1899, 1940, 2110, 2280, 2328, 2532, 2736, 2910, 3165, 3376, 3420, 3492, 3686, 3798, 3880, 4009, 4220, 4365, 4560, 4656, 5064, 5529, 5820, 6330, 6840, 6984, 7372, 7596, 7760, 8018, 8440, 8730, 9215, 9495, 10128, 11058, 11640, 12027, 12660, 13680, 13968, 14744, 15192, 16036, 16587, 16880, 17460, 18430, 18990, 20045, 20467, 22116, 23280, 24054, 25320, 27645, 29488, 30384, 32072, 33174, 34920, 36081, 36860, 37980, 40090, 40934, 44232, 48108, 50640, 55290, 60135, 61401, 64144, 66348, 69840, 72162, 73720, 75960, 80180, 81868, 82935, 88464, 96216, 102335, 110580, 120270, 122802, 132696, 144324, 147440, 151920, 160360, 163736, 165870, 180405, 184203, 192432, 204670, 221160, 240540, 245604, 265392, 288648, 307005, 320720, 327472, 331740, 360810, 368406, 388873, 409340, 442320, 481080, 491208, 577296, 614010, 663480, 721620, 736812, 777746, 818680, 921015, 962160, 982416, 1166619, 1228020, 1326960, 1443240, 1473624, 1555492, 1637360, 1842030, 1944365, 2333238, 2456040, 2886480, 2947248, 3110984, 3499857, 3684060, 3888730, 4666476, 4912080, 5833095, 6221968, 6999714, 7368120, 7777460, 9332952, 11666190, 13999428, 14736240, 15554920, 17499285, 18665904, 23332380, 27998856, 31109840, 34998570, 46664760, 55997712, 69997140, 93329520, 139994280, 279988560]

約数ペア:

[(1, 279988560), (2, 139994280), (3, 93329520), (4, 69997140), (5, 55997712), (6, 46664760), (8, 34998570), (9, 31109840), (10, 27998856), (12, 23332380), (15, 18665904), (16, 17499285), (18, 15554920), (19, 14736240), (20, 13999428), (24, 11666190), (30, 9332952), (36, 7777460), (38, 7368120), (40, 6999714), (45, 6221968), (48, 5833095), (57, 4912080), (60, 4666476), (72, 3888730), (76, 3684060), (80, 3499857), (90, 3110984), (95, 2947248), (97, 2886480), (114, 2456040), (120, 2333238), (144, 1944365), (152, 1842030), (171, 1637360), (180, 1555492), (190, 1473624), (194, 1443240), (211, 1326960), (228, 1228020), (240, 1166619), (285, 982416), (291, 962160), (304, 921015), (342, 818680), (360, 777746), (380, 736812), (388, 721620), (422, 663480), (456, 614010), (485, 577296), (570, 491208), (582, 481080), (633, 442320), (684, 409340), (720, 388873), (760, 368406), (776, 360810), (844, 331740), (855, 327472), (873, 320720), (912, 307005), (970, 288648), (1055, 265392), (1140, 245604), (1164, 240540), (1266, 221160), (1368, 204670), (1455, 192432), (1520, 184203), (1552, 180405), (1688, 165870), (1710, 163736), (1746, 160360), (1843, 151920), (1899, 147440), (1940, 144324), (2110, 132696), (2280, 122802), (2328, 120270), (2532, 110580), (2736, 102335), (2910, 96216), (3165, 88464), (3376, 82935), (3420, 81868), (3492, 80180), (3686, 75960), (3798, 73720), (3880, 72162), (4009, 69840), (4220, 66348), (4365, 64144), (4560, 61401), (4656, 60135), (5064, 55290), (5529, 50640), (5820, 48108), (6330, 44232), (6840, 40934), (6984, 40090), (7372, 37980), (7596, 36860), (7760, 36081), (8018, 34920), (8440, 33174), (8730, 32072), (9215, 30384), (9495, 29488), (10128, 27645), (11058, 25320), (11640, 24054), (12027, 23280), (12660, 22116), (13680, 20467), (13968, 20045), (14744, 18990), (15192, 18430), (16036, 17460), (16587, 16880)]