290218320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 240

約数和(自身を含む): 1128142080

約数和(自身を除く): 837923760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 89, 90, 105, 112, 120, 126, 140, 144, 168, 178, 180, 210, 240, 252, 267, 280, 315, 336, 356, 360, 420, 445, 504, 534, 560, 623, 630, 647, 712, 720, 801, 840, 890, 1008, 1068, 1246, 1260, 1294, 1335, 1424, 1602, 1680, 1780, 1869, 1941, 2136, 2492, 2520, 2588, 2670, 3115, 3204, 3235, 3560, 3738, 3882, 4005, 4272, 4529, 4984, 5040, 5176, 5340, 5607, 5823, 6230, 6408, 6470, 7120, 7476, 7764, 8010, 9058, 9345, 9705, 9968, 10352, 10680, 11214, 11646, 12460, 12816, 12940, 13587, 14952, 15528, 16020, 18116, 18690, 19410, 21360, 22428, 22645, 23292, 24920, 25880, 27174, 28035, 29115, 29904, 31056, 32040, 36232, 37380, 38820, 40761, 44856, 45290, 46584, 49840, 51760, 54348, 56070, 57583, 58230, 64080, 67935, 72464, 74760, 77640, 81522, 89712, 90580, 93168, 108696, 112140, 115166, 116460, 135870, 149520, 155280, 163044, 172749, 181160, 203805, 217392, 224280, 230332, 232920, 271740, 287915, 326088, 345498, 362320, 403081, 407610, 448560, 460664, 465840, 518247, 543480, 575830, 652176, 690996, 806162, 815220, 863745, 921328, 1036494, 1086960, 1151660, 1209243, 1381992, 1612324, 1630440, 1727490, 2015405, 2072988, 2303320, 2418486, 2591235, 2763984, 3224648, 3260880, 3454980, 3627729, 4030810, 4145976, 4606640, 4836972, 5182470, 6046215, 6449296, 6909960, 7255458, 8061620, 8291952, 9673944, 10364940, 12092430, 13819920, 14510916, 16123240, 18138645, 19347888, 20729880, 24184860, 29021832, 32246480, 36277290, 41459760, 48369720, 58043664, 72554580, 96739440, 145109160, 290218320]

約数ペア:

[(1, 290218320), (2, 145109160), (3, 96739440), (4, 72554580), (5, 58043664), (6, 48369720), (7, 41459760), (8, 36277290), (9, 32246480), (10, 29021832), (12, 24184860), (14, 20729880), (15, 19347888), (16, 18138645), (18, 16123240), (20, 14510916), (21, 13819920), (24, 12092430), (28, 10364940), (30, 9673944), (35, 8291952), (36, 8061620), (40, 7255458), (42, 6909960), (45, 6449296), (48, 6046215), (56, 5182470), (60, 4836972), (63, 4606640), (70, 4145976), (72, 4030810), (80, 3627729), (84, 3454980), (89, 3260880), (90, 3224648), (105, 2763984), (112, 2591235), (120, 2418486), (126, 2303320), (140, 2072988), (144, 2015405), (168, 1727490), (178, 1630440), (180, 1612324), (210, 1381992), (240, 1209243), (252, 1151660), (267, 1086960), (280, 1036494), (315, 921328), (336, 863745), (356, 815220), (360, 806162), (420, 690996), (445, 652176), (504, 575830), (534, 543480), (560, 518247), (623, 465840), (630, 460664), (647, 448560), (712, 407610), (720, 403081), (801, 362320), (840, 345498), (890, 326088), (1008, 287915), (1068, 271740), (1246, 232920), (1260, 230332), (1294, 224280), (1335, 217392), (1424, 203805), (1602, 181160), (1680, 172749), (1780, 163044), (1869, 155280), (1941, 149520), (2136, 135870), (2492, 116460), (2520, 115166), (2588, 112140), (2670, 108696), (3115, 93168), (3204, 90580), (3235, 89712), (3560, 81522), (3738, 77640), (3882, 74760), (4005, 72464), (4272, 67935), (4529, 64080), (4984, 58230), (5040, 57583), (5176, 56070), (5340, 54348), (5607, 51760), (5823, 49840), (6230, 46584), (6408, 45290), (6470, 44856), (7120, 40761), (7476, 38820), (7764, 37380), (8010, 36232), (9058, 32040), (9345, 31056), (9705, 29904), (9968, 29115), (10352, 28035), (10680, 27174), (11214, 25880), (11646, 24920), (12460, 23292), (12816, 22645), (12940, 22428), (13587, 21360), (14952, 19410), (15528, 18690), (16020, 18116)]