90772520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 218116800

約数和(自身を除く): 127344280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 655, 680, 1019, 1048, 1310, 2038, 2227, 2620, 4076, 4454, 5095, 5240, 8152, 8908, 10190, 11135, 17323, 17816, 20380, 22270, 34646, 40760, 44540, 69292, 86615, 89080, 133489, 138584, 173230, 266978, 346460, 533956, 667445, 692920, 1067912, 1334890, 2269313, 2669780, 4538626, 5339560, 9077252, 11346565, 18154504, 22693130, 45386260, 90772520]

約数ペア:

[(1, 90772520), (2, 45386260), (4, 22693130), (5, 18154504), (8, 11346565), (10, 9077252), (17, 5339560), (20, 4538626), (34, 2669780), (40, 2269313), (68, 1334890), (85, 1067912), (131, 692920), (136, 667445), (170, 533956), (262, 346460), (340, 266978), (524, 173230), (655, 138584), (680, 133489), (1019, 89080), (1048, 86615), (1310, 69292), (2038, 44540), (2227, 40760), (2620, 34646), (4076, 22270), (4454, 20380), (5095, 17816), (5240, 17323), (8152, 11135), (8908, 10190)]