68578440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 243777600

約数和(自身を除く): 175199160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 107, 109, 120, 140, 147, 168, 196, 210, 214, 218, 245, 280, 294, 321, 327, 392, 420, 428, 436, 490, 535, 545, 588, 642, 654, 735, 749, 763, 840, 856, 872, 980, 1070, 1090, 1176, 1284, 1308, 1470, 1498, 1526, 1605, 1635, 1960, 2140, 2180, 2247, 2289, 2568, 2616, 2940, 2996, 3052, 3210, 3270, 3745, 3815, 4280, 4360, 4494, 4578, 5243, 5341, 5880, 5992, 6104, 6420, 6540, 7490, 7630, 8988, 9156, 10486, 10682, 11235, 11445, 11663, 12840, 13080, 14980, 15260, 15729, 16023, 17976, 18312, 20972, 21364, 22470, 22890, 23326, 26215, 26705, 29960, 30520, 31458, 32046, 34989, 41944, 42728, 44940, 45780, 46652, 52430, 53410, 58315, 62916, 64092, 69978, 78645, 80115, 81641, 89880, 91560, 93304, 104860, 106820, 116630, 125832, 128184, 139956, 157290, 160230, 163282, 174945, 209720, 213640, 233260, 244923, 279912, 314580, 320460, 326564, 349890, 408205, 466520, 489846, 571487, 629160, 640920, 653128, 699780, 816410, 979692, 1142974, 1224615, 1399560, 1632820, 1714461, 1959384, 2285948, 2449230, 2857435, 3265640, 3428922, 4571896, 4898460, 5714870, 6857844, 8572305, 9796920, 11429740, 13715688, 17144610, 22859480, 34289220, 68578440]

約数ペア:

[(1, 68578440), (2, 34289220), (3, 22859480), (4, 17144610), (5, 13715688), (6, 11429740), (7, 9796920), (8, 8572305), (10, 6857844), (12, 5714870), (14, 4898460), (15, 4571896), (20, 3428922), (21, 3265640), (24, 2857435), (28, 2449230), (30, 2285948), (35, 1959384), (40, 1714461), (42, 1632820), (49, 1399560), (56, 1224615), (60, 1142974), (70, 979692), (84, 816410), (98, 699780), (105, 653128), (107, 640920), (109, 629160), (120, 571487), (140, 489846), (147, 466520), (168, 408205), (196, 349890), (210, 326564), (214, 320460), (218, 314580), (245, 279912), (280, 244923), (294, 233260), (321, 213640), (327, 209720), (392, 174945), (420, 163282), (428, 160230), (436, 157290), (490, 139956), (535, 128184), (545, 125832), (588, 116630), (642, 106820), (654, 104860), (735, 93304), (749, 91560), (763, 89880), (840, 81641), (856, 80115), (872, 78645), (980, 69978), (1070, 64092), (1090, 62916), (1176, 58315), (1284, 53410), (1308, 52430), (1470, 46652), (1498, 45780), (1526, 44940), (1605, 42728), (1635, 41944), (1960, 34989), (2140, 32046), (2180, 31458), (2247, 30520), (2289, 29960), (2568, 26705), (2616, 26215), (2940, 23326), (2996, 22890), (3052, 22470), (3210, 21364), (3270, 20972), (3745, 18312), (3815, 17976), (4280, 16023), (4360, 15729), (4494, 15260), (4578, 14980), (5243, 13080), (5341, 12840), (5880, 11663), (5992, 11445), (6104, 11235), (6420, 10682), (6540, 10486), (7490, 9156), (7630, 8988)]