262795520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{929}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 718547760

約数和(自身を除く): 455752240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 832, 884, 929, 1040, 1088, 1105, 1280, 1360, 1664, 1768, 1858, 2080, 2176, 2210, 2720, 3328, 3536, 3716, 4160, 4352, 4420, 4645, 5440, 7072, 7432, 8320, 8840, 9290, 10880, 12077, 14144, 14864, 15793, 16640, 17680, 18580, 21760, 24154, 28288, 29728, 31586, 35360, 37160, 48308, 56576, 59456, 60385, 63172, 70720, 74320, 78965, 96616, 118912, 120770, 126344, 141440, 148640, 157930, 193232, 205309, 237824, 241540, 252688, 282880, 297280, 315860, 386464, 410618, 483080, 505376, 594560, 631720, 772928, 821236, 966160, 1010752, 1026545, 1189120, 1263440, 1545856, 1642472, 1932320, 2021504, 2053090, 2526880, 3091712, 3284944, 3864640, 4043008, 4106180, 5053760, 6569888, 7729280, 8212360, 10107520, 13139776, 15458560, 16424720, 20215040, 26279552, 32849440, 52559104, 65698880, 131397760, 262795520]

約数ペア:

[(1, 262795520), (2, 131397760), (4, 65698880), (5, 52559104), (8, 32849440), (10, 26279552), (13, 20215040), (16, 16424720), (17, 15458560), (20, 13139776), (26, 10107520), (32, 8212360), (34, 7729280), (40, 6569888), (52, 5053760), (64, 4106180), (65, 4043008), (68, 3864640), (80, 3284944), (85, 3091712), (104, 2526880), (128, 2053090), (130, 2021504), (136, 1932320), (160, 1642472), (170, 1545856), (208, 1263440), (221, 1189120), (256, 1026545), (260, 1010752), (272, 966160), (320, 821236), (340, 772928), (416, 631720), (442, 594560), (520, 505376), (544, 483080), (640, 410618), (680, 386464), (832, 315860), (884, 297280), (929, 282880), (1040, 252688), (1088, 241540), (1105, 237824), (1280, 205309), (1360, 193232), (1664, 157930), (1768, 148640), (1858, 141440), (2080, 126344), (2176, 120770), (2210, 118912), (2720, 96616), (3328, 78965), (3536, 74320), (3716, 70720), (4160, 63172), (4352, 60385), (4420, 59456), (4645, 56576), (5440, 48308), (7072, 37160), (7432, 35360), (8320, 31586), (8840, 29728), (9290, 28288), (10880, 24154), (12077, 21760), (14144, 18580), (14864, 17680), (15793, 16640)]