78229620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 144

約数和(自身を含む): 277175808

約数和(自身を除く): 198946188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1321, 1410, 1645, 1692, 1974, 2115, 2642, 2820, 2961, 3290, 3948, 3963, 4230, 4935, 5284, 5922, 6580, 6605, 7926, 8460, 9247, 9870, 11844, 11889, 13210, 14805, 15852, 18494, 19740, 19815, 23778, 26420, 27741, 29610, 36988, 39630, 46235, 47556, 55482, 59220, 59445, 62087, 79260, 83223, 92470, 110964, 118890, 124174, 138705, 166446, 184940, 186261, 237780, 248348, 277410, 310435, 332892, 372522, 416115, 434609, 554820, 558783, 620870, 745044, 832230, 869218, 931305, 1117566, 1241740, 1303827, 1664460, 1738436, 1862610, 2173045, 2235132, 2607654, 2793915, 3725220, 3911481, 4346090, 5215308, 5587830, 6519135, 7822962, 8692180, 11175660, 13038270, 15645924, 19557405, 26076540, 39114810, 78229620]

約数ペア:

[(1, 78229620), (2, 39114810), (3, 26076540), (4, 19557405), (5, 15645924), (6, 13038270), (7, 11175660), (9, 8692180), (10, 7822962), (12, 6519135), (14, 5587830), (15, 5215308), (18, 4346090), (20, 3911481), (21, 3725220), (28, 2793915), (30, 2607654), (35, 2235132), (36, 2173045), (42, 1862610), (45, 1738436), (47, 1664460), (60, 1303827), (63, 1241740), (70, 1117566), (84, 931305), (90, 869218), (94, 832230), (105, 745044), (126, 620870), (140, 558783), (141, 554820), (180, 434609), (188, 416115), (210, 372522), (235, 332892), (252, 310435), (282, 277410), (315, 248348), (329, 237780), (420, 186261), (423, 184940), (470, 166446), (564, 138705), (630, 124174), (658, 118890), (705, 110964), (846, 92470), (940, 83223), (987, 79260), (1260, 62087), (1316, 59445), (1321, 59220), (1410, 55482), (1645, 47556), (1692, 46235), (1974, 39630), (2115, 36988), (2642, 29610), (2820, 27741), (2961, 26420), (3290, 23778), (3948, 19815), (3963, 19740), (4230, 18494), (4935, 15852), (5284, 14805), (5922, 13210), (6580, 11889), (6605, 11844), (7926, 9870), (8460, 9247)]