1981619280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7039}}^1$

素因数の和:7098

約数の個数: 240

約数和(自身を含む): 7353815040

約数和(自身を除く): 5372195760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 207, 230, 240, 255, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 460, 510, 552, 612, 680, 690, 720, 765, 782, 816, 828, 920, 1020, 1035, 1104, 1173, 1224, 1360, 1380, 1530, 1564, 1656, 1840, 1955, 2040, 2070, 2346, 2448, 2760, 3060, 3128, 3312, 3519, 3910, 4080, 4140, 4692, 5520, 5865, 6120, 6256, 7038, 7039, 7820, 8280, 9384, 11730, 12240, 14076, 14078, 15640, 16560, 17595, 18768, 21117, 23460, 28152, 28156, 31280, 35190, 35195, 42234, 46920, 56304, 56312, 63351, 70380, 70390, 84468, 93840, 105585, 112624, 119663, 126702, 140760, 140780, 161897, 168936, 211170, 239326, 253404, 281520, 281560, 316755, 323794, 337872, 358989, 422340, 478652, 485691, 506808, 563120, 598315, 633510, 647588, 717978, 809485, 844680, 957304, 971382, 1013616, 1076967, 1196630, 1267020, 1295176, 1435956, 1457073, 1618970, 1689360, 1794945, 1914608, 1942764, 2153934, 2393260, 2428455, 2534040, 2590352, 2752249, 2871912, 2914146, 3237940, 3589890, 3885528, 4307868, 4786520, 4856910, 5068080, 5384835, 5504498, 5743824, 5828292, 6475880, 7179780, 7285365, 7771056, 8256747, 8615736, 9573040, 9713820, 10769670, 11008996, 11656584, 12951760, 13761245, 14359560, 14570730, 16513494, 17231472, 19427640, 21539340, 22017992, 23313168, 24770241, 27522490, 28719120, 29141460, 33026988, 38855280, 41283735, 43078680, 44035984, 49540482, 55044980, 58282920, 66053976, 82567470, 86157360, 99080964, 110089960, 116565840, 123851205, 132107952, 165134940, 198161928, 220179920, 247702410, 330269880, 396323856, 495404820, 660539760, 990809640, 1981619280]

約数ペア:

[(1, 1981619280), (2, 990809640), (3, 660539760), (4, 495404820), (5, 396323856), (6, 330269880), (8, 247702410), (9, 220179920), (10, 198161928), (12, 165134940), (15, 132107952), (16, 123851205), (17, 116565840), (18, 110089960), (20, 99080964), (23, 86157360), (24, 82567470), (30, 66053976), (34, 58282920), (36, 55044980), (40, 49540482), (45, 44035984), (46, 43078680), (48, 41283735), (51, 38855280), (60, 33026988), (68, 29141460), (69, 28719120), (72, 27522490), (80, 24770241), (85, 23313168), (90, 22017992), (92, 21539340), (102, 19427640), (115, 17231472), (120, 16513494), (136, 14570730), (138, 14359560), (144, 13761245), (153, 12951760), (170, 11656584), (180, 11008996), (184, 10769670), (204, 9713820), (207, 9573040), (230, 8615736), (240, 8256747), (255, 7771056), (272, 7285365), (276, 7179780), (306, 6475880), (340, 5828292), (345, 5743824), (360, 5504498), (368, 5384835), (391, 5068080), (408, 4856910), (414, 4786520), (460, 4307868), (510, 3885528), (552, 3589890), (612, 3237940), (680, 2914146), (690, 2871912), (720, 2752249), (765, 2590352), (782, 2534040), (816, 2428455), (828, 2393260), (920, 2153934), (1020, 1942764), (1035, 1914608), (1104, 1794945), (1173, 1689360), (1224, 1618970), (1360, 1457073), (1380, 1435956), (1530, 1295176), (1564, 1267020), (1656, 1196630), (1840, 1076967), (1955, 1013616), (2040, 971382), (2070, 957304), (2346, 844680), (2448, 809485), (2760, 717978), (3060, 647588), (3128, 633510), (3312, 598315), (3519, 563120), (3910, 506808), (4080, 485691), (4140, 478652), (4692, 422340), (5520, 358989), (5865, 337872), (6120, 323794), (6256, 316755), (7038, 281560), (7039, 281520), (7820, 253404), (8280, 239326), (9384, 211170), (11730, 168936), (12240, 161897), (14076, 140780), (14078, 140760), (15640, 126702), (16560, 119663), (17595, 112624), (18768, 105585), (21117, 93840), (23460, 84468), (28152, 70390), (28156, 70380), (31280, 63351), (35190, 56312), (35195, 56304), (42234, 46920)]