321388160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 806077440

約数和(自身を除く): 484689280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 155, 160, 167, 194, 248, 310, 320, 334, 388, 485, 496, 620, 640, 668, 776, 835, 970, 992, 1240, 1336, 1552, 1670, 1940, 1984, 2480, 2672, 3007, 3104, 3340, 3880, 3968, 4960, 5177, 5344, 6014, 6208, 6680, 7760, 9920, 10354, 10688, 12028, 12416, 13360, 15035, 15520, 16199, 19840, 20708, 21376, 24056, 25885, 26720, 30070, 31040, 32398, 41416, 48112, 51770, 53440, 60140, 62080, 64796, 80995, 82832, 96224, 103540, 106880, 120280, 129592, 161990, 165664, 192448, 207080, 240560, 259184, 323980, 331328, 384896, 414160, 481120, 502169, 518368, 647960, 662656, 828320, 962240, 1004338, 1036736, 1295920, 1656640, 1924480, 2008676, 2073472, 2510845, 2591840, 3313280, 4017352, 5021690, 5183680, 8034704, 10043380, 10367360, 16069408, 20086760, 32138816, 40173520, 64277632, 80347040, 160694080, 321388160]

約数ペア:

[(1, 321388160), (2, 160694080), (4, 80347040), (5, 64277632), (8, 40173520), (10, 32138816), (16, 20086760), (20, 16069408), (31, 10367360), (32, 10043380), (40, 8034704), (62, 5183680), (64, 5021690), (80, 4017352), (97, 3313280), (124, 2591840), (128, 2510845), (155, 2073472), (160, 2008676), (167, 1924480), (194, 1656640), (248, 1295920), (310, 1036736), (320, 1004338), (334, 962240), (388, 828320), (485, 662656), (496, 647960), (620, 518368), (640, 502169), (668, 481120), (776, 414160), (835, 384896), (970, 331328), (992, 323980), (1240, 259184), (1336, 240560), (1552, 207080), (1670, 192448), (1940, 165664), (1984, 161990), (2480, 129592), (2672, 120280), (3007, 106880), (3104, 103540), (3340, 96224), (3880, 82832), (3968, 80995), (4960, 64796), (5177, 62080), (5344, 60140), (6014, 53440), (6208, 51770), (6680, 48112), (7760, 41416), (9920, 32398), (10354, 31040), (10688, 30070), (12028, 26720), (12416, 25885), (13360, 24056), (15035, 21376), (15520, 20708), (16199, 19840)]