420139980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 192

約数和(自身を含む): 1424465280

約数和(自身を除く): 1004325300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 97, 108, 117, 130, 135, 156, 180, 194, 195, 234, 260, 270, 291, 351, 388, 390, 468, 485, 540, 582, 585, 617, 702, 780, 873, 970, 1164, 1170, 1234, 1261, 1404, 1455, 1746, 1755, 1851, 1940, 2340, 2468, 2522, 2619, 2910, 3085, 3492, 3510, 3702, 3783, 4365, 5044, 5238, 5553, 5820, 6170, 6305, 7020, 7404, 7566, 8021, 8730, 9255, 10476, 11106, 11349, 12340, 12610, 13095, 15132, 16042, 16659, 17460, 18510, 18915, 22212, 22698, 24063, 25220, 26190, 27765, 32084, 33318, 34047, 37020, 37830, 40105, 45396, 48126, 52380, 55530, 56745, 59849, 66636, 68094, 72189, 75660, 80210, 83295, 96252, 111060, 113490, 119698, 120315, 136188, 144378, 160420, 166590, 170235, 179547, 216567, 226980, 239396, 240630, 288756, 299245, 333180, 340470, 359094, 360945, 433134, 481260, 538641, 598490, 680940, 718188, 721890, 778037, 866268, 897735, 1077282, 1082835, 1196980, 1443780, 1556074, 1615923, 1795470, 2154564, 2165670, 2334111, 2693205, 3112148, 3231846, 3590940, 3890185, 4331340, 4668222, 5386410, 6463692, 7002333, 7780370, 8079615, 9336444, 10772820, 11670555, 14004666, 15560740, 16159230, 21006999, 23341110, 28009332, 32318460, 35011665, 42013998, 46682220, 70023330, 84027996, 105034995, 140046660, 210069990, 420139980]

約数ペア:

[(1, 420139980), (2, 210069990), (3, 140046660), (4, 105034995), (5, 84027996), (6, 70023330), (9, 46682220), (10, 42013998), (12, 35011665), (13, 32318460), (15, 28009332), (18, 23341110), (20, 21006999), (26, 16159230), (27, 15560740), (30, 14004666), (36, 11670555), (39, 10772820), (45, 9336444), (52, 8079615), (54, 7780370), (60, 7002333), (65, 6463692), (78, 5386410), (90, 4668222), (97, 4331340), (108, 3890185), (117, 3590940), (130, 3231846), (135, 3112148), (156, 2693205), (180, 2334111), (194, 2165670), (195, 2154564), (234, 1795470), (260, 1615923), (270, 1556074), (291, 1443780), (351, 1196980), (388, 1082835), (390, 1077282), (468, 897735), (485, 866268), (540, 778037), (582, 721890), (585, 718188), (617, 680940), (702, 598490), (780, 538641), (873, 481260), (970, 433134), (1164, 360945), (1170, 359094), (1234, 340470), (1261, 333180), (1404, 299245), (1455, 288756), (1746, 240630), (1755, 239396), (1851, 226980), (1940, 216567), (2340, 179547), (2468, 170235), (2522, 166590), (2619, 160420), (2910, 144378), (3085, 136188), (3492, 120315), (3510, 119698), (3702, 113490), (3783, 111060), (4365, 96252), (5044, 83295), (5238, 80210), (5553, 75660), (5820, 72189), (6170, 68094), (6305, 66636), (7020, 59849), (7404, 56745), (7566, 55530), (8021, 52380), (8730, 48126), (9255, 45396), (10476, 40105), (11106, 37830), (11349, 37020), (12340, 34047), (12610, 33318), (13095, 32084), (15132, 27765), (16042, 26190), (16659, 25220), (17460, 24063), (18510, 22698), (18915, 22212)]