542279640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{645571}}^1$

素因数の和:645592

約数の個数: 64

約数和(自身を含む): 1859247360

約数和(自身を除く): 1316967720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 645571, 1291142, 1936713, 2582284, 3227855, 3873426, 4518997, 5164568, 6455710, 7746852, 9037994, 9683565, 12911420, 13556991, 15493704, 18075988, 19367130, 22594985, 25822840, 27113982, 36151976, 38734260, 45189970, 54227964, 67784955, 77468520, 90379940, 108455928, 135569910, 180759880, 271139820, 542279640]

約数ペア:

[(1, 542279640), (2, 271139820), (3, 180759880), (4, 135569910), (5, 108455928), (6, 90379940), (7, 77468520), (8, 67784955), (10, 54227964), (12, 45189970), (14, 38734260), (15, 36151976), (20, 27113982), (21, 25822840), (24, 22594985), (28, 19367130), (30, 18075988), (35, 15493704), (40, 13556991), (42, 12911420), (56, 9683565), (60, 9037994), (70, 7746852), (84, 6455710), (105, 5164568), (120, 4518997), (140, 3873426), (168, 3227855), (210, 2582284), (280, 1936713), (420, 1291142), (840, 645571)]