78676920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3469}}^1$

素因数の和:3499

約数の個数: 160

約数和(自身を含む): 302306400

約数和(自身を除く): 223629480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3469, 3780, 4536, 5670, 6938, 7560, 10407, 11340, 13876, 17345, 20814, 22680, 24283, 27752, 31221, 34690, 41628, 48566, 52035, 62442, 69380, 72849, 83256, 93663, 97132, 104070, 121415, 124884, 138760, 145698, 156105, 187326, 194264, 208140, 218547, 242830, 249768, 280989, 291396, 312210, 364245, 374652, 416280, 437094, 468315, 485660, 561978, 582792, 624420, 655641, 728490, 749304, 874188, 936630, 971320, 1092735, 1123956, 1248840, 1311282, 1404945, 1456980, 1748376, 1873260, 1966923, 2185470, 2247912, 2622564, 2809890, 2913960, 3278205, 3746520, 3933846, 4370940, 5245128, 5619780, 6556410, 7867692, 8741880, 9834615, 11239560, 13112820, 15735384, 19669230, 26225640, 39338460, 78676920]

約数ペア:

[(1, 78676920), (2, 39338460), (3, 26225640), (4, 19669230), (5, 15735384), (6, 13112820), (7, 11239560), (8, 9834615), (9, 8741880), (10, 7867692), (12, 6556410), (14, 5619780), (15, 5245128), (18, 4370940), (20, 3933846), (21, 3746520), (24, 3278205), (27, 2913960), (28, 2809890), (30, 2622564), (35, 2247912), (36, 2185470), (40, 1966923), (42, 1873260), (45, 1748376), (54, 1456980), (56, 1404945), (60, 1311282), (63, 1248840), (70, 1123956), (72, 1092735), (81, 971320), (84, 936630), (90, 874188), (105, 749304), (108, 728490), (120, 655641), (126, 624420), (135, 582792), (140, 561978), (162, 485660), (168, 468315), (180, 437094), (189, 416280), (210, 374652), (216, 364245), (252, 312210), (270, 291396), (280, 280989), (315, 249768), (324, 242830), (360, 218547), (378, 208140), (405, 194264), (420, 187326), (504, 156105), (540, 145698), (567, 138760), (630, 124884), (648, 121415), (756, 104070), (810, 97132), (840, 93663), (945, 83256), (1080, 72849), (1134, 69380), (1260, 62442), (1512, 52035), (1620, 48566), (1890, 41628), (2268, 34690), (2520, 31221), (2835, 27752), (3240, 24283), (3469, 22680), (3780, 20814), (4536, 17345), (5670, 13876), (6938, 11340), (7560, 10407)]