19895894640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{17047}}^1$

素因数の和:18687

約数の個数: 120

約数和(自身を含む): 66862187808

約数和(自身を除く): 46966293168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1621, 3242, 4863, 6484, 8105, 9726, 12968, 14589, 16210, 17047, 19452, 24315, 25936, 29178, 32420, 34094, 38904, 48630, 51141, 58356, 64840, 68188, 72945, 77808, 85235, 97260, 102282, 116712, 129680, 136376, 145890, 153423, 170470, 194520, 204564, 233424, 255705, 272752, 291780, 306846, 340940, 389040, 409128, 511410, 583560, 613692, 681880, 767115, 818256, 1022820, 1167120, 1227384, 1363760, 1534230, 2045640, 2454768, 3068460, 4091280, 6136920, 12273840, 27633187, 55266374, 82899561, 110532748, 138165935, 165799122, 221065496, 248698683, 276331870, 331598244, 414497805, 442130992, 497397366, 552663740, 663196488, 828995610, 994794732, 1105327480, 1243493415, 1326392976, 1657991220, 1989589464, 2210654960, 2486986830, 3315982440, 3979178928, 4973973660, 6631964880, 9947947320, 19895894640]

約数ペア:

[(1, 19895894640), (2, 9947947320), (3, 6631964880), (4, 4973973660), (5, 3979178928), (6, 3315982440), (8, 2486986830), (9, 2210654960), (10, 1989589464), (12, 1657991220), (15, 1326392976), (16, 1243493415), (18, 1105327480), (20, 994794732), (24, 828995610), (30, 663196488), (36, 552663740), (40, 497397366), (45, 442130992), (48, 414497805), (60, 331598244), (72, 276331870), (80, 248698683), (90, 221065496), (120, 165799122), (144, 138165935), (180, 110532748), (240, 82899561), (360, 55266374), (720, 27633187), (1621, 12273840), (3242, 6136920), (4863, 4091280), (6484, 3068460), (8105, 2454768), (9726, 2045640), (12968, 1534230), (14589, 1363760), (16210, 1227384), (17047, 1167120), (19452, 1022820), (24315, 818256), (25936, 767115), (29178, 681880), (32420, 613692), (34094, 583560), (38904, 511410), (48630, 409128), (51141, 389040), (58356, 340940), (64840, 306846), (68188, 291780), (72945, 272752), (77808, 255705), (85235, 233424), (97260, 204564), (102282, 194520), (116712, 170470), (129680, 153423), (136376, 145890)]