255303720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 288

約数和(自身を含む): 991546920

約数和(自身を除く): 736243200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 49, 56, 60, 63, 70, 72, 82, 84, 90, 98, 105, 120, 123, 126, 140, 147, 164, 168, 180, 196, 205, 210, 245, 246, 252, 280, 287, 294, 315, 328, 353, 360, 369, 392, 410, 420, 441, 490, 492, 504, 574, 588, 615, 630, 706, 735, 738, 820, 840, 861, 882, 980, 984, 1059, 1148, 1176, 1230, 1260, 1412, 1435, 1470, 1476, 1640, 1722, 1764, 1765, 1845, 1960, 2009, 2118, 2205, 2296, 2460, 2471, 2520, 2583, 2824, 2870, 2940, 2952, 3177, 3444, 3528, 3530, 3690, 4018, 4236, 4305, 4410, 4920, 4942, 5166, 5295, 5740, 5880, 6027, 6354, 6888, 7060, 7380, 7413, 8036, 8472, 8610, 8820, 9884, 10045, 10332, 10590, 11480, 12054, 12355, 12708, 12915, 14120, 14473, 14760, 14826, 15885, 16072, 17220, 17297, 17640, 18081, 19768, 20090, 20664, 21180, 22239, 24108, 24710, 25416, 25830, 28946, 29652, 30135, 31770, 34440, 34594, 36162, 37065, 40180, 42360, 43419, 44478, 48216, 49420, 51660, 51891, 57892, 59304, 60270, 63540, 69188, 72324, 72365, 74130, 80360, 86485, 86838, 88956, 90405, 98840, 101311, 103320, 103782, 111195, 115784, 120540, 127080, 130257, 138376, 144648, 144730, 148260, 155673, 172970, 173676, 177912, 180810, 202622, 207564, 217095, 222390, 241080, 259455, 260514, 289460, 296520, 303933, 311346, 345940, 347352, 361620, 405244, 415128, 434190, 444780, 506555, 518910, 521028, 578920, 607866, 622692, 651285, 691880, 709177, 723240, 778365, 810488, 868380, 889560, 911799, 1013110, 1037820, 1042056, 1215732, 1245384, 1302570, 1418354, 1519665, 1556730, 1736760, 1823598, 2026220, 2075640, 2127531, 2431464, 2605140, 2836708, 3039330, 3113460, 3545885, 3647196, 4052440, 4255062, 4558995, 5210280, 5673416, 6078660, 6226920, 6382593, 7091770, 7294392, 8510124, 9117990, 10637655, 12157320, 12765186, 14183540, 17020248, 18235980, 21275310, 25530372, 28367080, 31912965, 36471960, 42550620, 51060744, 63825930, 85101240, 127651860, 255303720]

約数ペア:

[(1, 255303720), (2, 127651860), (3, 85101240), (4, 63825930), (5, 51060744), (6, 42550620), (7, 36471960), (8, 31912965), (9, 28367080), (10, 25530372), (12, 21275310), (14, 18235980), (15, 17020248), (18, 14183540), (20, 12765186), (21, 12157320), (24, 10637655), (28, 9117990), (30, 8510124), (35, 7294392), (36, 7091770), (40, 6382593), (41, 6226920), (42, 6078660), (45, 5673416), (49, 5210280), (56, 4558995), (60, 4255062), (63, 4052440), (70, 3647196), (72, 3545885), (82, 3113460), (84, 3039330), (90, 2836708), (98, 2605140), (105, 2431464), (120, 2127531), (123, 2075640), (126, 2026220), (140, 1823598), (147, 1736760), (164, 1556730), (168, 1519665), (180, 1418354), (196, 1302570), (205, 1245384), (210, 1215732), (245, 1042056), (246, 1037820), (252, 1013110), (280, 911799), (287, 889560), (294, 868380), (315, 810488), (328, 778365), (353, 723240), (360, 709177), (369, 691880), (392, 651285), (410, 622692), (420, 607866), (441, 578920), (490, 521028), (492, 518910), (504, 506555), (574, 444780), (588, 434190), (615, 415128), (630, 405244), (706, 361620), (735, 347352), (738, 345940), (820, 311346), (840, 303933), (861, 296520), (882, 289460), (980, 260514), (984, 259455), (1059, 241080), (1148, 222390), (1176, 217095), (1230, 207564), (1260, 202622), (1412, 180810), (1435, 177912), (1470, 173676), (1476, 172970), (1640, 155673), (1722, 148260), (1764, 144730), (1765, 144648), (1845, 138376), (1960, 130257), (2009, 127080), (2118, 120540), (2205, 115784), (2296, 111195), (2460, 103782), (2471, 103320), (2520, 101311), (2583, 98840), (2824, 90405), (2870, 88956), (2940, 86838), (2952, 86485), (3177, 80360), (3444, 74130), (3528, 72365), (3530, 72324), (3690, 69188), (4018, 63540), (4236, 60270), (4305, 59304), (4410, 57892), (4920, 51891), (4942, 51660), (5166, 49420), (5295, 48216), (5740, 44478), (5880, 43419), (6027, 42360), (6354, 40180), (6888, 37065), (7060, 36162), (7380, 34594), (7413, 34440), (8036, 31770), (8472, 30135), (8610, 29652), (8820, 28946), (9884, 25830), (10045, 25416), (10332, 24710), (10590, 24108), (11480, 22239), (12054, 21180), (12355, 20664), (12708, 20090), (12915, 19768), (14120, 18081), (14473, 17640), (14760, 17297), (14826, 17220), (15885, 16072)]