40016640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 135541728

約数和(自身を除く): 95525088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 613, 640, 680, 768, 816, 960, 1020, 1088, 1226, 1280, 1360, 1632, 1839, 1920, 2040, 2176, 2452, 2720, 3065, 3264, 3678, 3840, 4080, 4352, 4904, 5440, 6130, 6528, 7356, 8160, 9195, 9808, 10421, 10880, 12260, 13056, 14712, 16320, 18390, 19616, 20842, 21760, 24520, 29424, 31263, 32640, 36780, 39232, 41684, 49040, 52105, 58848, 62526, 65280, 73560, 78464, 83368, 98080, 104210, 117696, 125052, 147120, 156315, 156928, 166736, 196160, 208420, 235392, 250104, 294240, 312630, 333472, 392320, 416840, 470784, 500208, 588480, 625260, 666944, 784640, 833680, 1000416, 1176960, 1250520, 1333888, 1667360, 2000832, 2353920, 2501040, 2667776, 3334720, 4001664, 5002080, 6669440, 8003328, 10004160, 13338880, 20008320, 40016640]

約数ペア:

[(1, 40016640), (2, 20008320), (3, 13338880), (4, 10004160), (5, 8003328), (6, 6669440), (8, 5002080), (10, 4001664), (12, 3334720), (15, 2667776), (16, 2501040), (17, 2353920), (20, 2000832), (24, 1667360), (30, 1333888), (32, 1250520), (34, 1176960), (40, 1000416), (48, 833680), (51, 784640), (60, 666944), (64, 625260), (68, 588480), (80, 500208), (85, 470784), (96, 416840), (102, 392320), (120, 333472), (128, 312630), (136, 294240), (160, 250104), (170, 235392), (192, 208420), (204, 196160), (240, 166736), (255, 156928), (256, 156315), (272, 147120), (320, 125052), (340, 117696), (384, 104210), (408, 98080), (480, 83368), (510, 78464), (544, 73560), (613, 65280), (640, 62526), (680, 58848), (768, 52105), (816, 49040), (960, 41684), (1020, 39232), (1088, 36780), (1226, 32640), (1280, 31263), (1360, 29424), (1632, 24520), (1839, 21760), (1920, 20842), (2040, 19616), (2176, 18390), (2452, 16320), (2720, 14712), (3065, 13056), (3264, 12260), (3678, 10880), (3840, 10421), (4080, 9808), (4352, 9195), (4904, 8160), (5440, 7356), (6130, 6528)]