278890020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2143}}^1$

素因数の和:2402

約数の個数: 96

約数和(自身を含む): 871664640

約数和(自身を除く): 592774620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 241, 270, 482, 540, 723, 964, 1205, 1446, 2143, 2169, 2410, 2892, 3615, 4286, 4338, 4820, 6429, 6507, 7230, 8572, 8676, 10715, 10845, 12858, 13014, 14460, 19287, 21430, 21690, 25716, 26028, 32145, 32535, 38574, 42860, 43380, 57861, 64290, 65070, 77148, 96435, 115722, 128580, 130140, 192870, 231444, 289305, 385740, 516463, 578610, 1032926, 1157220, 1549389, 2065852, 2582315, 3098778, 4648167, 5164630, 6197556, 7746945, 9296334, 10329260, 13944501, 15493890, 18592668, 23240835, 27889002, 30987780, 46481670, 55778004, 69722505, 92963340, 139445010, 278890020]

約数ペア:

[(1, 278890020), (2, 139445010), (3, 92963340), (4, 69722505), (5, 55778004), (6, 46481670), (9, 30987780), (10, 27889002), (12, 23240835), (15, 18592668), (18, 15493890), (20, 13944501), (27, 10329260), (30, 9296334), (36, 7746945), (45, 6197556), (54, 5164630), (60, 4648167), (90, 3098778), (108, 2582315), (135, 2065852), (180, 1549389), (241, 1157220), (270, 1032926), (482, 578610), (540, 516463), (723, 385740), (964, 289305), (1205, 231444), (1446, 192870), (2143, 130140), (2169, 128580), (2410, 115722), (2892, 96435), (3615, 77148), (4286, 65070), (4338, 64290), (4820, 57861), (6429, 43380), (6507, 42860), (7230, 38574), (8572, 32535), (8676, 32145), (10715, 26028), (10845, 25716), (12858, 21690), (13014, 21430), (14460, 19287)]