78224580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 180

約数和(自身を含む): 278340972

約数和(自身を除く): 200116392

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 181, 196, 210, 245, 252, 294, 315, 343, 362, 420, 441, 490, 543, 588, 630, 686, 724, 735, 882, 905, 980, 1029, 1086, 1260, 1267, 1372, 1470, 1629, 1715, 1764, 1810, 2058, 2172, 2205, 2401, 2534, 2715, 2940, 3087, 3258, 3430, 3620, 3801, 4116, 4410, 4802, 5068, 5145, 5430, 6174, 6335, 6516, 6860, 7203, 7602, 8145, 8820, 8869, 9604, 10290, 10860, 11403, 12005, 12348, 12670, 14406, 15204, 15435, 16290, 17738, 19005, 20580, 21609, 22806, 24010, 25340, 26607, 28812, 30870, 32580, 35476, 36015, 38010, 43218, 44345, 45612, 48020, 53214, 57015, 61740, 62083, 72030, 76020, 79821, 86436, 88690, 106428, 108045, 114030, 124166, 133035, 144060, 159642, 177380, 186249, 216090, 228060, 248332, 266070, 310415, 319284, 372498, 399105, 432180, 434581, 532140, 558747, 620830, 744996, 798210, 869162, 931245, 1117494, 1241660, 1303743, 1596420, 1738324, 1862490, 2172905, 2234988, 2607486, 2793735, 3724980, 3911229, 4345810, 5214972, 5587470, 6518715, 7822458, 8691620, 11174940, 13037430, 15644916, 19556145, 26074860, 39112290, 78224580]

約数ペア:

[(1, 78224580), (2, 39112290), (3, 26074860), (4, 19556145), (5, 15644916), (6, 13037430), (7, 11174940), (9, 8691620), (10, 7822458), (12, 6518715), (14, 5587470), (15, 5214972), (18, 4345810), (20, 3911229), (21, 3724980), (28, 2793735), (30, 2607486), (35, 2234988), (36, 2172905), (42, 1862490), (45, 1738324), (49, 1596420), (60, 1303743), (63, 1241660), (70, 1117494), (84, 931245), (90, 869162), (98, 798210), (105, 744996), (126, 620830), (140, 558747), (147, 532140), (180, 434581), (181, 432180), (196, 399105), (210, 372498), (245, 319284), (252, 310415), (294, 266070), (315, 248332), (343, 228060), (362, 216090), (420, 186249), (441, 177380), (490, 159642), (543, 144060), (588, 133035), (630, 124166), (686, 114030), (724, 108045), (735, 106428), (882, 88690), (905, 86436), (980, 79821), (1029, 76020), (1086, 72030), (1260, 62083), (1267, 61740), (1372, 57015), (1470, 53214), (1629, 48020), (1715, 45612), (1764, 44345), (1810, 43218), (2058, 38010), (2172, 36015), (2205, 35476), (2401, 32580), (2534, 30870), (2715, 28812), (2940, 26607), (3087, 25340), (3258, 24010), (3430, 22806), (3620, 21609), (3801, 20580), (4116, 19005), (4410, 17738), (4802, 16290), (5068, 15435), (5145, 15204), (5430, 14406), (6174, 12670), (6335, 12348), (6516, 12005), (6860, 11403), (7203, 10860), (7602, 10290), (8145, 9604), (8820, 8869)]