67613440

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 163871568

約数和(自身を除く): 96258128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 523, 640, 808, 1010, 1046, 1280, 1616, 2020, 2092, 2615, 3232, 4040, 4184, 5230, 6464, 8080, 8368, 10460, 12928, 16160, 16736, 20920, 25856, 32320, 33472, 41840, 52823, 64640, 66944, 83680, 105646, 129280, 133888, 167360, 211292, 264115, 334720, 422584, 528230, 669440, 845168, 1056460, 1690336, 2112920, 3380672, 4225840, 6761344, 8451680, 13522688, 16903360, 33806720, 67613440]

約数ペア:

[(1, 67613440), (2, 33806720), (4, 16903360), (5, 13522688), (8, 8451680), (10, 6761344), (16, 4225840), (20, 3380672), (32, 2112920), (40, 1690336), (64, 1056460), (80, 845168), (101, 669440), (128, 528230), (160, 422584), (202, 334720), (256, 264115), (320, 211292), (404, 167360), (505, 133888), (523, 129280), (640, 105646), (808, 83680), (1010, 66944), (1046, 64640), (1280, 52823), (1616, 41840), (2020, 33472), (2092, 32320), (2615, 25856), (3232, 20920), (4040, 16736), (4184, 16160), (5230, 12928), (6464, 10460), (8080, 8368)]