180998460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 573081600

約数和(自身を除く): 392083140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 163, 180, 186, 199, 279, 310, 326, 372, 398, 465, 489, 558, 597, 620, 652, 796, 815, 930, 978, 995, 1116, 1194, 1395, 1467, 1630, 1791, 1860, 1956, 1990, 2388, 2445, 2790, 2934, 2985, 3260, 3582, 3980, 4890, 5053, 5580, 5868, 5970, 6169, 7164, 7335, 8955, 9780, 10106, 11940, 12338, 14670, 15159, 17910, 18507, 20212, 24676, 25265, 29340, 30318, 30845, 32437, 35820, 37014, 45477, 50530, 55521, 60636, 61690, 64874, 74028, 75795, 90954, 92535, 97311, 101060, 111042, 123380, 129748, 151590, 162185, 181908, 185070, 194622, 222084, 227385, 277605, 291933, 303180, 324370, 370140, 389244, 454770, 486555, 555210, 583866, 648740, 909540, 973110, 1005547, 1110420, 1167732, 1459665, 1946220, 2011094, 2919330, 3016641, 4022188, 5027735, 5838660, 6033282, 9049923, 10055470, 12066564, 15083205, 18099846, 20110940, 30166410, 36199692, 45249615, 60332820, 90499230, 180998460]

約数ペア:

[(1, 180998460), (2, 90499230), (3, 60332820), (4, 45249615), (5, 36199692), (6, 30166410), (9, 20110940), (10, 18099846), (12, 15083205), (15, 12066564), (18, 10055470), (20, 9049923), (30, 6033282), (31, 5838660), (36, 5027735), (45, 4022188), (60, 3016641), (62, 2919330), (90, 2011094), (93, 1946220), (124, 1459665), (155, 1167732), (163, 1110420), (180, 1005547), (186, 973110), (199, 909540), (279, 648740), (310, 583866), (326, 555210), (372, 486555), (398, 454770), (465, 389244), (489, 370140), (558, 324370), (597, 303180), (620, 291933), (652, 277605), (796, 227385), (815, 222084), (930, 194622), (978, 185070), (995, 181908), (1116, 162185), (1194, 151590), (1395, 129748), (1467, 123380), (1630, 111042), (1791, 101060), (1860, 97311), (1956, 92535), (1990, 90954), (2388, 75795), (2445, 74028), (2790, 64874), (2934, 61690), (2985, 60636), (3260, 55521), (3582, 50530), (3980, 45477), (4890, 37014), (5053, 35820), (5580, 32437), (5868, 30845), (5970, 30318), (6169, 29340), (7164, 25265), (7335, 24676), (8955, 20212), (9780, 18507), (10106, 17910), (11940, 15159), (12338, 14670)]