636841280

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:544

約数の個数: 112

約数和(自身を含む): 1563624000

約数和(自身を除く): 926782720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 89, 118, 160, 178, 236, 295, 320, 356, 379, 445, 472, 590, 712, 758, 890, 944, 1180, 1424, 1516, 1780, 1888, 1895, 2360, 2848, 3032, 3560, 3776, 3790, 4720, 5251, 5696, 6064, 7120, 7580, 9440, 10502, 12128, 14240, 15160, 18880, 21004, 22361, 24256, 26255, 28480, 30320, 33731, 42008, 44722, 52510, 60640, 67462, 84016, 89444, 105020, 111805, 121280, 134924, 168032, 168655, 178888, 210040, 223610, 269848, 336064, 337310, 357776, 420080, 447220, 539696, 674620, 715552, 840160, 894440, 1079392, 1349240, 1431104, 1680320, 1788880, 1990129, 2158784, 2698480, 3577760, 3980258, 5396960, 7155520, 7960516, 9950645, 10793920, 15921032, 19901290, 31842064, 39802580, 63684128, 79605160, 127368256, 159210320, 318420640, 636841280]

約数ペア:

[(1, 636841280), (2, 318420640), (4, 159210320), (5, 127368256), (8, 79605160), (10, 63684128), (16, 39802580), (20, 31842064), (32, 19901290), (40, 15921032), (59, 10793920), (64, 9950645), (80, 7960516), (89, 7155520), (118, 5396960), (160, 3980258), (178, 3577760), (236, 2698480), (295, 2158784), (320, 1990129), (356, 1788880), (379, 1680320), (445, 1431104), (472, 1349240), (590, 1079392), (712, 894440), (758, 840160), (890, 715552), (944, 674620), (1180, 539696), (1424, 447220), (1516, 420080), (1780, 357776), (1888, 337310), (1895, 336064), (2360, 269848), (2848, 223610), (3032, 210040), (3560, 178888), (3776, 168655), (3790, 168032), (4720, 134924), (5251, 121280), (5696, 111805), (6064, 105020), (7120, 89444), (7580, 84016), (9440, 67462), (10502, 60640), (12128, 52510), (14240, 44722), (15160, 42008), (18880, 33731), (21004, 30320), (22361, 28480), (24256, 26255)]