67581780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 223082496

約数和(自身を除く): 155500716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 181, 196, 210, 245, 254, 294, 362, 381, 420, 490, 508, 543, 588, 635, 724, 735, 762, 889, 905, 980, 1086, 1267, 1270, 1470, 1524, 1778, 1810, 1905, 2172, 2534, 2540, 2667, 2715, 2940, 3556, 3620, 3801, 3810, 4445, 5068, 5334, 5430, 6223, 6335, 7602, 7620, 8869, 8890, 10668, 10860, 12446, 12670, 13335, 15204, 17738, 17780, 18669, 19005, 22987, 24892, 25340, 26607, 26670, 31115, 35476, 37338, 38010, 44345, 45974, 53214, 53340, 62230, 68961, 74676, 76020, 88690, 91948, 93345, 106428, 114935, 124460, 133035, 137922, 160909, 177380, 186690, 229870, 266070, 275844, 321818, 344805, 373380, 459740, 482727, 532140, 643636, 689610, 804545, 965454, 1126363, 1379220, 1609090, 1930908, 2252726, 2413635, 3218180, 3379089, 4505452, 4827270, 5631815, 6758178, 9654540, 11263630, 13516356, 16895445, 22527260, 33790890, 67581780]

約数ペア:

[(1, 67581780), (2, 33790890), (3, 22527260), (4, 16895445), (5, 13516356), (6, 11263630), (7, 9654540), (10, 6758178), (12, 5631815), (14, 4827270), (15, 4505452), (20, 3379089), (21, 3218180), (28, 2413635), (30, 2252726), (35, 1930908), (42, 1609090), (49, 1379220), (60, 1126363), (70, 965454), (84, 804545), (98, 689610), (105, 643636), (127, 532140), (140, 482727), (147, 459740), (181, 373380), (196, 344805), (210, 321818), (245, 275844), (254, 266070), (294, 229870), (362, 186690), (381, 177380), (420, 160909), (490, 137922), (508, 133035), (543, 124460), (588, 114935), (635, 106428), (724, 93345), (735, 91948), (762, 88690), (889, 76020), (905, 74676), (980, 68961), (1086, 62230), (1267, 53340), (1270, 53214), (1470, 45974), (1524, 44345), (1778, 38010), (1810, 37338), (1905, 35476), (2172, 31115), (2534, 26670), (2540, 26607), (2667, 25340), (2715, 24892), (2940, 22987), (3556, 19005), (3620, 18669), (3801, 17780), (3810, 17738), (4445, 15204), (5068, 13335), (5334, 12670), (5430, 12446), (6223, 10860), (6335, 10668), (7602, 8890), (7620, 8869)]