218905680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1$

素因数の和:821

約数の個数: 160

約数和(自身を含む): 780307200

約数和(自身を除く): 561401520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 229, 240, 280, 336, 420, 458, 560, 569, 687, 840, 916, 1138, 1145, 1374, 1603, 1680, 1707, 1832, 2276, 2290, 2748, 2845, 3206, 3414, 3435, 3664, 3983, 4552, 4580, 4809, 5496, 5690, 6412, 6828, 6870, 7966, 8015, 8535, 9104, 9160, 9618, 10992, 11380, 11949, 12824, 13656, 13740, 15932, 16030, 17070, 18320, 19236, 19915, 22760, 23898, 24045, 25648, 27312, 27480, 31864, 32060, 34140, 38472, 39830, 45520, 47796, 48090, 54960, 59745, 63728, 64120, 68280, 76944, 79660, 95592, 96180, 119490, 128240, 130301, 136560, 159320, 191184, 192360, 238980, 260602, 318640, 384720, 390903, 477960, 521204, 651505, 781806, 912107, 955920, 1042408, 1303010, 1563612, 1824214, 1954515, 2084816, 2606020, 2736321, 3127224, 3648428, 3909030, 4560535, 5212040, 5472642, 6254448, 7296856, 7818060, 9121070, 10424080, 10945284, 13681605, 14593712, 15636120, 18242140, 21890568, 27363210, 31272240, 36484280, 43781136, 54726420, 72968560, 109452840, 218905680]

約数ペア:

[(1, 218905680), (2, 109452840), (3, 72968560), (4, 54726420), (5, 43781136), (6, 36484280), (7, 31272240), (8, 27363210), (10, 21890568), (12, 18242140), (14, 15636120), (15, 14593712), (16, 13681605), (20, 10945284), (21, 10424080), (24, 9121070), (28, 7818060), (30, 7296856), (35, 6254448), (40, 5472642), (42, 5212040), (48, 4560535), (56, 3909030), (60, 3648428), (70, 3127224), (80, 2736321), (84, 2606020), (105, 2084816), (112, 1954515), (120, 1824214), (140, 1563612), (168, 1303010), (210, 1042408), (229, 955920), (240, 912107), (280, 781806), (336, 651505), (420, 521204), (458, 477960), (560, 390903), (569, 384720), (687, 318640), (840, 260602), (916, 238980), (1138, 192360), (1145, 191184), (1374, 159320), (1603, 136560), (1680, 130301), (1707, 128240), (1832, 119490), (2276, 96180), (2290, 95592), (2748, 79660), (2845, 76944), (3206, 68280), (3414, 64120), (3435, 63728), (3664, 59745), (3983, 54960), (4552, 48090), (4580, 47796), (4809, 45520), (5496, 39830), (5690, 38472), (6412, 34140), (6828, 32060), (6870, 31864), (7966, 27480), (8015, 27312), (8535, 25648), (9104, 24045), (9160, 23898), (9618, 22760), (10992, 19915), (11380, 19236), (11949, 18320), (12824, 17070), (13656, 16030), (13740, 15932)]