256245120

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{4943}}^1$

素因数の和:4974

約数の個数: 160

約数和(自身を含む): 915282720

約数和(自身を除く): 659037600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 4943, 5184, 5760, 6480, 8640, 9886, 10368, 12960, 14829, 17280, 19772, 24715, 25920, 29658, 39544, 44487, 49430, 51840, 59316, 74145, 79088, 88974, 98860, 118632, 133461, 148290, 158176, 177948, 197720, 222435, 237264, 266922, 296580, 316352, 355896, 395440, 400383, 444870, 474528, 533844, 593160, 632704, 667305, 711792, 790880, 800766, 889740, 949056, 1067688, 1186320, 1334610, 1423584, 1581760, 1601532, 1779480, 1898112, 2001915, 2135376, 2372640, 2669220, 2847168, 3163520, 3203064, 3558960, 4003830, 4270752, 4745280, 5338440, 5694336, 6406128, 7117920, 8007660, 8541504, 9490560, 10676880, 12812256, 14235840, 16015320, 17083008, 21353760, 25624512, 28471680, 32030640, 42707520, 51249024, 64061280, 85415040, 128122560, 256245120]

約数ペア:

[(1, 256245120), (2, 128122560), (3, 85415040), (4, 64061280), (5, 51249024), (6, 42707520), (8, 32030640), (9, 28471680), (10, 25624512), (12, 21353760), (15, 17083008), (16, 16015320), (18, 14235840), (20, 12812256), (24, 10676880), (27, 9490560), (30, 8541504), (32, 8007660), (36, 7117920), (40, 6406128), (45, 5694336), (48, 5338440), (54, 4745280), (60, 4270752), (64, 4003830), (72, 3558960), (80, 3203064), (81, 3163520), (90, 2847168), (96, 2669220), (108, 2372640), (120, 2135376), (128, 2001915), (135, 1898112), (144, 1779480), (160, 1601532), (162, 1581760), (180, 1423584), (192, 1334610), (216, 1186320), (240, 1067688), (270, 949056), (288, 889740), (320, 800766), (324, 790880), (360, 711792), (384, 667305), (405, 632704), (432, 593160), (480, 533844), (540, 474528), (576, 444870), (640, 400383), (648, 395440), (720, 355896), (810, 316352), (864, 296580), (960, 266922), (1080, 237264), (1152, 222435), (1296, 197720), (1440, 177948), (1620, 158176), (1728, 148290), (1920, 133461), (2160, 118632), (2592, 98860), (2880, 88974), (3240, 79088), (3456, 74145), (4320, 59316), (4943, 51840), (5184, 49430), (5760, 44487), (6480, 39544), (8640, 29658), (9886, 25920), (10368, 24715), (12960, 19772), (14829, 17280)]