205444440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 707616000

約数和(自身を除く): 502171560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 41, 45, 60, 62, 72, 82, 90, 93, 120, 123, 124, 155, 164, 180, 186, 205, 246, 248, 279, 310, 328, 360, 369, 372, 410, 449, 465, 492, 558, 615, 620, 738, 744, 820, 898, 930, 984, 1116, 1230, 1240, 1271, 1347, 1395, 1476, 1640, 1796, 1845, 1860, 2232, 2245, 2460, 2542, 2694, 2790, 2952, 3592, 3690, 3720, 3813, 4041, 4490, 4920, 5084, 5388, 5580, 6355, 6735, 7380, 7626, 8082, 8980, 10168, 10776, 11160, 11439, 12710, 13470, 13919, 14760, 15252, 16164, 17960, 18409, 19065, 20205, 22878, 25420, 26940, 27838, 30504, 32328, 36818, 38130, 40410, 41757, 45756, 50840, 53880, 55227, 55676, 57195, 69595, 73636, 76260, 80820, 83514, 91512, 92045, 110454, 111352, 114390, 125271, 139190, 147272, 152520, 161640, 165681, 167028, 184090, 208785, 220908, 228780, 250542, 276135, 278380, 331362, 334056, 368180, 417570, 441816, 457560, 501084, 552270, 556760, 570679, 626355, 662724, 736360, 828405, 835140, 1002168, 1104540, 1141358, 1252710, 1325448, 1656810, 1670280, 1712037, 2209080, 2282716, 2505420, 2853395, 3313620, 3424074, 4565432, 5010840, 5136111, 5706790, 6627240, 6848148, 8560185, 10272222, 11413580, 13696296, 17120370, 20544444, 22827160, 25680555, 34240740, 41088888, 51361110, 68481480, 102722220, 205444440]

約数ペア:

[(1, 205444440), (2, 102722220), (3, 68481480), (4, 51361110), (5, 41088888), (6, 34240740), (8, 25680555), (9, 22827160), (10, 20544444), (12, 17120370), (15, 13696296), (18, 11413580), (20, 10272222), (24, 8560185), (30, 6848148), (31, 6627240), (36, 5706790), (40, 5136111), (41, 5010840), (45, 4565432), (60, 3424074), (62, 3313620), (72, 2853395), (82, 2505420), (90, 2282716), (93, 2209080), (120, 1712037), (123, 1670280), (124, 1656810), (155, 1325448), (164, 1252710), (180, 1141358), (186, 1104540), (205, 1002168), (246, 835140), (248, 828405), (279, 736360), (310, 662724), (328, 626355), (360, 570679), (369, 556760), (372, 552270), (410, 501084), (449, 457560), (465, 441816), (492, 417570), (558, 368180), (615, 334056), (620, 331362), (738, 278380), (744, 276135), (820, 250542), (898, 228780), (930, 220908), (984, 208785), (1116, 184090), (1230, 167028), (1240, 165681), (1271, 161640), (1347, 152520), (1395, 147272), (1476, 139190), (1640, 125271), (1796, 114390), (1845, 111352), (1860, 110454), (2232, 92045), (2245, 91512), (2460, 83514), (2542, 80820), (2694, 76260), (2790, 73636), (2952, 69595), (3592, 57195), (3690, 55676), (3720, 55227), (3813, 53880), (4041, 50840), (4490, 45756), (4920, 41757), (5084, 40410), (5388, 38130), (5580, 36818), (6355, 32328), (6735, 30504), (7380, 27838), (7626, 26940), (8082, 25420), (8980, 22878), (10168, 20205), (10776, 19065), (11160, 18409), (11439, 17960), (12710, 16164), (13470, 15252), (13919, 14760)]