281133720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:975

約数の個数: 256

約数和(自身を含む): 1098316800

約数和(自身を除く): 817183080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 907, 945, 984, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1722, 1814, 1845, 1890, 2214, 2296, 2460, 2520, 2583, 2721, 2870, 2952, 3444, 3628, 3690, 3780, 4305, 4428, 4535, 4920, 5166, 5442, 5535, 5740, 6349, 6888, 7256, 7380, 7560, 7749, 8163, 8610, 8856, 9070, 10332, 10884, 11070, 11480, 12698, 12915, 13605, 14760, 15498, 16326, 17220, 18140, 19047, 20664, 21768, 22140, 24489, 25396, 25830, 27210, 30996, 31745, 32652, 34440, 36280, 37187, 38094, 38745, 40815, 44280, 48978, 50792, 51660, 54420, 57141, 61992, 63490, 65304, 74374, 76188, 77490, 81630, 95235, 97956, 103320, 108840, 111561, 114282, 122445, 126980, 148748, 152376, 154980, 163260, 171423, 185935, 190470, 195912, 223122, 228564, 244890, 253960, 260309, 285705, 297496, 309960, 326520, 334683, 342846, 371870, 380940, 446244, 457128, 489780, 520618, 557805, 571410, 669366, 685692, 743740, 761880, 780927, 857115, 892488, 979560, 1004049, 1041236, 1115610, 1142820, 1301545, 1338732, 1371384, 1487480, 1561854, 1673415, 1714230, 2008098, 2082472, 2231220, 2285640, 2342781, 2603090, 2677464, 3123708, 3346830, 3428460, 3904635, 4016196, 4462440, 4685562, 5020245, 5206180, 6247416, 6693660, 6856920, 7028343, 7809270, 8032392, 9371124, 10040490, 10412360, 11713905, 13387320, 14056686, 15618540, 18742248, 20080980, 23427810, 28113372, 31237080, 35141715, 40161960, 46855620, 56226744, 70283430, 93711240, 140566860, 281133720]

約数ペア:

[(1, 281133720), (2, 140566860), (3, 93711240), (4, 70283430), (5, 56226744), (6, 46855620), (7, 40161960), (8, 35141715), (9, 31237080), (10, 28113372), (12, 23427810), (14, 20080980), (15, 18742248), (18, 15618540), (20, 14056686), (21, 13387320), (24, 11713905), (27, 10412360), (28, 10040490), (30, 9371124), (35, 8032392), (36, 7809270), (40, 7028343), (41, 6856920), (42, 6693660), (45, 6247416), (54, 5206180), (56, 5020245), (60, 4685562), (63, 4462440), (70, 4016196), (72, 3904635), (82, 3428460), (84, 3346830), (90, 3123708), (105, 2677464), (108, 2603090), (120, 2342781), (123, 2285640), (126, 2231220), (135, 2082472), (140, 2008098), (164, 1714230), (168, 1673415), (180, 1561854), (189, 1487480), (205, 1371384), (210, 1338732), (216, 1301545), (246, 1142820), (252, 1115610), (270, 1041236), (280, 1004049), (287, 979560), (315, 892488), (328, 857115), (360, 780927), (369, 761880), (378, 743740), (410, 685692), (420, 669366), (492, 571410), (504, 557805), (540, 520618), (574, 489780), (615, 457128), (630, 446244), (738, 380940), (756, 371870), (820, 342846), (840, 334683), (861, 326520), (907, 309960), (945, 297496), (984, 285705), (1080, 260309), (1107, 253960), (1148, 244890), (1230, 228564), (1260, 223122), (1435, 195912), (1476, 190470), (1512, 185935), (1640, 171423), (1722, 163260), (1814, 154980), (1845, 152376), (1890, 148748), (2214, 126980), (2296, 122445), (2460, 114282), (2520, 111561), (2583, 108840), (2721, 103320), (2870, 97956), (2952, 95235), (3444, 81630), (3628, 77490), (3690, 76188), (3780, 74374), (4305, 65304), (4428, 63490), (4535, 61992), (4920, 57141), (5166, 54420), (5442, 51660), (5535, 50792), (5740, 48978), (6349, 44280), (6888, 40815), (7256, 38745), (7380, 38094), (7560, 37187), (7749, 36280), (8163, 34440), (8610, 32652), (8856, 31745), (9070, 30996), (10332, 27210), (10884, 25830), (11070, 25396), (11480, 24489), (12698, 22140), (12915, 21768), (13605, 20664), (14760, 19047), (15498, 18140), (16326, 17220)]