1520249920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21893}}^1$

素因数の和:21948

約数の個数: 112

約数和(自身を含む): 4270906368

約数和(自身を除く): 2750656448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 21893, 34720, 43786, 69440, 87572, 109465, 153251, 175144, 218930, 306502, 350288, 437860, 613004, 678683, 700576, 766255, 875720, 1226008, 1357366, 1401152, 1532510, 1751440, 2452016, 2714732, 3065020, 3393415, 3502880, 4750781, 4904032, 5429464, 6130040, 6786830, 7005760, 9501562, 9808064, 10858928, 12260080, 13573660, 19003124, 21717856, 23753905, 24520160, 27147320, 38006248, 43435712, 47507810, 49040320, 54294640, 76012496, 95015620, 108589280, 152024992, 190031240, 217178560, 304049984, 380062480, 760124960, 1520249920]

約数ペア:

[(1, 1520249920), (2, 760124960), (4, 380062480), (5, 304049984), (7, 217178560), (8, 190031240), (10, 152024992), (14, 108589280), (16, 95015620), (20, 76012496), (28, 54294640), (31, 49040320), (32, 47507810), (35, 43435712), (40, 38006248), (56, 27147320), (62, 24520160), (64, 23753905), (70, 21717856), (80, 19003124), (112, 13573660), (124, 12260080), (140, 10858928), (155, 9808064), (160, 9501562), (217, 7005760), (224, 6786830), (248, 6130040), (280, 5429464), (310, 4904032), (320, 4750781), (434, 3502880), (448, 3393415), (496, 3065020), (560, 2714732), (620, 2452016), (868, 1751440), (992, 1532510), (1085, 1401152), (1120, 1357366), (1240, 1226008), (1736, 875720), (1984, 766255), (2170, 700576), (2240, 678683), (2480, 613004), (3472, 437860), (4340, 350288), (4960, 306502), (6944, 218930), (8680, 175144), (9920, 153251), (13888, 109465), (17360, 87572), (21893, 69440), (34720, 43786)]