253545280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 112

約数和(自身を含む): 634959360

約数和(自身を除く): 381414080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 155, 160, 244, 248, 305, 310, 320, 419, 488, 496, 610, 620, 838, 976, 992, 1220, 1240, 1676, 1891, 1952, 1984, 2095, 2440, 2480, 3352, 3782, 3904, 4190, 4880, 4960, 6704, 7564, 8380, 9455, 9760, 9920, 12989, 13408, 15128, 16760, 18910, 19520, 25559, 25978, 26816, 30256, 33520, 37820, 51118, 51956, 60512, 64945, 67040, 75640, 102236, 103912, 121024, 127795, 129890, 134080, 151280, 204472, 207824, 255590, 259780, 302560, 408944, 415648, 511180, 519560, 605120, 792329, 817888, 831296, 1022360, 1039120, 1584658, 1635776, 2044720, 2078240, 3169316, 3961645, 4089440, 4156480, 6338632, 7923290, 8178880, 12677264, 15846580, 25354528, 31693160, 50709056, 63386320, 126772640, 253545280]

約数ペア:

[(1, 253545280), (2, 126772640), (4, 63386320), (5, 50709056), (8, 31693160), (10, 25354528), (16, 15846580), (20, 12677264), (31, 8178880), (32, 7923290), (40, 6338632), (61, 4156480), (62, 4089440), (64, 3961645), (80, 3169316), (122, 2078240), (124, 2044720), (155, 1635776), (160, 1584658), (244, 1039120), (248, 1022360), (305, 831296), (310, 817888), (320, 792329), (419, 605120), (488, 519560), (496, 511180), (610, 415648), (620, 408944), (838, 302560), (976, 259780), (992, 255590), (1220, 207824), (1240, 204472), (1676, 151280), (1891, 134080), (1952, 129890), (1984, 127795), (2095, 121024), (2440, 103912), (2480, 102236), (3352, 75640), (3782, 67040), (3904, 64945), (4190, 60512), (4880, 51956), (4960, 51118), (6704, 37820), (7564, 33520), (8380, 30256), (9455, 26816), (9760, 25978), (9920, 25559), (12989, 19520), (13408, 18910), (15128, 16760)]