668621520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{44221}}^1$

素因数の和:44250

約数の個数: 160

約数和(自身を含む): 2632093440

約数和(自身を除く): 1963471920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 44221, 88442, 132663, 176884, 221105, 265326, 309547, 353768, 397989, 442210, 530652, 619094, 663315, 707536, 795978, 884420, 928641, 1061304, 1193967, 1238188, 1326630, 1547735, 1591956, 1768840, 1857282, 1989945, 2122608, 2387934, 2476376, 2653260, 2785923, 3095470, 3183912, 3537680, 3714564, 3979890, 4643205, 4775868, 4952752, 5306520, 5571846, 5969835, 6190940, 6367824, 7429128, 7959780, 8357769, 9286410, 9551736, 10613040, 11143692, 11939670, 12381880, 13929615, 14858256, 15919560, 16715538, 18572820, 19103472, 22287384, 23879340, 24763760, 27859230, 31839120, 33431076, 37145640, 41788845, 44574768, 47758680, 55718460, 66862152, 74291280, 83577690, 95517360, 111436920, 133724304, 167155380, 222873840, 334310760, 668621520]

約数ペア:

[(1, 668621520), (2, 334310760), (3, 222873840), (4, 167155380), (5, 133724304), (6, 111436920), (7, 95517360), (8, 83577690), (9, 74291280), (10, 66862152), (12, 55718460), (14, 47758680), (15, 44574768), (16, 41788845), (18, 37145640), (20, 33431076), (21, 31839120), (24, 27859230), (27, 24763760), (28, 23879340), (30, 22287384), (35, 19103472), (36, 18572820), (40, 16715538), (42, 15919560), (45, 14858256), (48, 13929615), (54, 12381880), (56, 11939670), (60, 11143692), (63, 10613040), (70, 9551736), (72, 9286410), (80, 8357769), (84, 7959780), (90, 7429128), (105, 6367824), (108, 6190940), (112, 5969835), (120, 5571846), (126, 5306520), (135, 4952752), (140, 4775868), (144, 4643205), (168, 3979890), (180, 3714564), (189, 3537680), (210, 3183912), (216, 3095470), (240, 2785923), (252, 2653260), (270, 2476376), (280, 2387934), (315, 2122608), (336, 1989945), (360, 1857282), (378, 1768840), (420, 1591956), (432, 1547735), (504, 1326630), (540, 1238188), (560, 1193967), (630, 1061304), (720, 928641), (756, 884420), (840, 795978), (945, 707536), (1008, 663315), (1080, 619094), (1260, 530652), (1512, 442210), (1680, 397989), (1890, 353768), (2160, 309547), (2520, 265326), (3024, 221105), (3780, 176884), (5040, 132663), (7560, 88442), (15120, 44221)]