328734080

素因数分解:

$2^7\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2243}}^1$

素因数の和:2491

約数の個数: 64

約数和(自身を含む): 789663600

約数和(自身を除く): 460929520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 320, 458, 640, 916, 1145, 1832, 2243, 2290, 3664, 4486, 4580, 7328, 8972, 9160, 11215, 14656, 17944, 18320, 22430, 29312, 35888, 36640, 44860, 71776, 73280, 89720, 143552, 146560, 179440, 287104, 358880, 513647, 717760, 1027294, 1435520, 2054588, 2568235, 4109176, 5136470, 8218352, 10272940, 16436704, 20545880, 32873408, 41091760, 65746816, 82183520, 164367040, 328734080]

約数ペア:

[(1, 328734080), (2, 164367040), (4, 82183520), (5, 65746816), (8, 41091760), (10, 32873408), (16, 20545880), (20, 16436704), (32, 10272940), (40, 8218352), (64, 5136470), (80, 4109176), (128, 2568235), (160, 2054588), (229, 1435520), (320, 1027294), (458, 717760), (640, 513647), (916, 358880), (1145, 287104), (1832, 179440), (2243, 146560), (2290, 143552), (3664, 89720), (4486, 73280), (4580, 71776), (7328, 44860), (8972, 36640), (9160, 35888), (11215, 29312), (14656, 22430), (17944, 18320)]