68656920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 216216000

約数和(自身を除く): 147559080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 109, 116, 120, 145, 174, 181, 218, 232, 290, 327, 348, 362, 435, 436, 543, 545, 580, 654, 696, 724, 870, 872, 905, 1086, 1090, 1160, 1308, 1448, 1635, 1740, 1810, 2172, 2180, 2616, 2715, 3161, 3270, 3480, 3620, 4344, 4360, 5249, 5430, 6322, 6540, 7240, 9483, 10498, 10860, 12644, 13080, 15747, 15805, 18966, 19729, 20996, 21720, 25288, 26245, 31494, 31610, 37932, 39458, 41992, 47415, 52490, 59187, 62988, 63220, 75864, 78735, 78916, 94830, 98645, 104980, 118374, 125976, 126440, 157470, 157832, 189660, 197290, 209960, 236748, 295935, 314940, 379320, 394580, 473496, 572141, 591870, 629880, 789160, 1144282, 1183740, 1716423, 2288564, 2367480, 2860705, 3432846, 4577128, 5721410, 6865692, 8582115, 11442820, 13731384, 17164230, 22885640, 34328460, 68656920]

約数ペア:

[(1, 68656920), (2, 34328460), (3, 22885640), (4, 17164230), (5, 13731384), (6, 11442820), (8, 8582115), (10, 6865692), (12, 5721410), (15, 4577128), (20, 3432846), (24, 2860705), (29, 2367480), (30, 2288564), (40, 1716423), (58, 1183740), (60, 1144282), (87, 789160), (109, 629880), (116, 591870), (120, 572141), (145, 473496), (174, 394580), (181, 379320), (218, 314940), (232, 295935), (290, 236748), (327, 209960), (348, 197290), (362, 189660), (435, 157832), (436, 157470), (543, 126440), (545, 125976), (580, 118374), (654, 104980), (696, 98645), (724, 94830), (870, 78916), (872, 78735), (905, 75864), (1086, 63220), (1090, 62988), (1160, 59187), (1308, 52490), (1448, 47415), (1635, 41992), (1740, 39458), (1810, 37932), (2172, 31610), (2180, 31494), (2616, 26245), (2715, 25288), (3161, 21720), (3270, 20996), (3480, 19729), (3620, 18966), (4344, 15805), (4360, 15747), (5249, 13080), (5430, 12644), (6322, 10860), (6540, 10498), (7240, 9483)]