256778880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7867}}^1$

素因数の和:7906

約数の個数: 128

約数和(自身を含む): 866738880

約数和(自身を除く): 609960000

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, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 7867, 8160, 10880, 15734, 16320, 23601, 31468, 32640, 39335, 47202, 62936, 78670, 94404, 118005, 125872, 133739, 157340, 188808, 236010, 251744, 267478, 314680, 377616, 401217, 472020, 503488, 534956, 629360, 668695, 755232, 802434, 944040, 1006976, 1069912, 1258720, 1337390, 1510464, 1604868, 1888080, 2006085, 2139824, 2517440, 2674780, 3020928, 3209736, 3776160, 4012170, 4279648, 5034880, 5349560, 6419472, 7552320, 8024340, 8559296, 10699120, 12838944, 15104640, 16048680, 17118592, 21398240, 25677888, 32097360, 42796480, 51355776, 64194720, 85592960, 128389440, 256778880]

約数ペア:

[(1, 256778880), (2, 128389440), (3, 85592960), (4, 64194720), (5, 51355776), (6, 42796480), (8, 32097360), (10, 25677888), (12, 21398240), (15, 17118592), (16, 16048680), (17, 15104640), (20, 12838944), (24, 10699120), (30, 8559296), (32, 8024340), (34, 7552320), (40, 6419472), (48, 5349560), (51, 5034880), (60, 4279648), (64, 4012170), (68, 3776160), (80, 3209736), (85, 3020928), (96, 2674780), (102, 2517440), (120, 2139824), (128, 2006085), (136, 1888080), (160, 1604868), (170, 1510464), (192, 1337390), (204, 1258720), (240, 1069912), (255, 1006976), (272, 944040), (320, 802434), (340, 755232), (384, 668695), (408, 629360), (480, 534956), (510, 503488), (544, 472020), (640, 401217), (680, 377616), (816, 314680), (960, 267478), (1020, 251744), (1088, 236010), (1360, 188808), (1632, 157340), (1920, 133739), (2040, 125872), (2176, 118005), (2720, 94404), (3264, 78670), (4080, 62936), (5440, 47202), (6528, 39335), (7867, 32640), (8160, 31468), (10880, 23601), (15734, 16320)]