61978880

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 152208504

約数和(自身を除く): 90229624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1181, 1280, 1312, 1640, 2362, 2624, 3280, 4724, 5248, 5905, 6560, 9448, 10496, 11810, 13120, 18896, 23620, 26240, 37792, 47240, 48421, 52480, 75584, 94480, 96842, 151168, 188960, 193684, 242105, 302336, 377920, 387368, 484210, 755840, 774736, 968420, 1511680, 1549472, 1936840, 3098944, 3873680, 6197888, 7747360, 12395776, 15494720, 30989440, 61978880]

約数ペア:

[(1, 61978880), (2, 30989440), (4, 15494720), (5, 12395776), (8, 7747360), (10, 6197888), (16, 3873680), (20, 3098944), (32, 1936840), (40, 1549472), (41, 1511680), (64, 968420), (80, 774736), (82, 755840), (128, 484210), (160, 387368), (164, 377920), (205, 302336), (256, 242105), (320, 193684), (328, 188960), (410, 151168), (640, 96842), (656, 94480), (820, 75584), (1181, 52480), (1280, 48421), (1312, 47240), (1640, 37792), (2362, 26240), (2624, 23620), (3280, 18896), (4724, 13120), (5248, 11810), (5905, 10496), (6560, 9448)]