256207320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3970

約数の個数: 128

約数和(自身を含む): 868248000

約数和(自身を除く): 612040680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 3889, 4392, 5490, 6588, 7320, 7778, 8235, 10980, 11667, 13176, 15556, 16470, 19445, 21960, 23334, 31112, 32940, 35001, 38890, 46668, 58335, 65880, 70002, 77780, 93336, 105003, 116670, 140004, 155560, 175005, 210006, 233340, 237229, 280008, 350010, 420012, 466680, 474458, 525015, 700020, 711687, 840024, 948916, 1050030, 1186145, 1400040, 1423374, 1897832, 2100060, 2135061, 2372290, 2846748, 3558435, 4200120, 4270122, 4744580, 5693496, 6405183, 7116870, 8540244, 9489160, 10675305, 12810366, 14233740, 17080488, 21350610, 25620732, 28467480, 32025915, 42701220, 51241464, 64051830, 85402440, 128103660, 256207320]

約数ペア:

[(1, 256207320), (2, 128103660), (3, 85402440), (4, 64051830), (5, 51241464), (6, 42701220), (8, 32025915), (9, 28467480), (10, 25620732), (12, 21350610), (15, 17080488), (18, 14233740), (20, 12810366), (24, 10675305), (27, 9489160), (30, 8540244), (36, 7116870), (40, 6405183), (45, 5693496), (54, 4744580), (60, 4270122), (61, 4200120), (72, 3558435), (90, 2846748), (108, 2372290), (120, 2135061), (122, 2100060), (135, 1897832), (180, 1423374), (183, 1400040), (216, 1186145), (244, 1050030), (270, 948916), (305, 840024), (360, 711687), (366, 700020), (488, 525015), (540, 474458), (549, 466680), (610, 420012), (732, 350010), (915, 280008), (1080, 237229), (1098, 233340), (1220, 210006), (1464, 175005), (1647, 155560), (1830, 140004), (2196, 116670), (2440, 105003), (2745, 93336), (3294, 77780), (3660, 70002), (3889, 65880), (4392, 58335), (5490, 46668), (6588, 38890), (7320, 35001), (7778, 32940), (8235, 31112), (10980, 23334), (11667, 21960), (13176, 19445), (15556, 16470)]