256847040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1007

約数の個数: 168

約数和(自身を含む): 893204208

約数和(自身を除く): 636357168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 101, 120, 144, 160, 180, 192, 202, 240, 288, 303, 320, 360, 404, 480, 505, 576, 606, 720, 808, 883, 909, 960, 1010, 1212, 1440, 1515, 1616, 1766, 1818, 2020, 2424, 2649, 2880, 3030, 3232, 3532, 3636, 4040, 4415, 4545, 4848, 5298, 6060, 6464, 7064, 7272, 7947, 8080, 8830, 9090, 9696, 10596, 12120, 13245, 14128, 14544, 15894, 16160, 17660, 18180, 19392, 21192, 24240, 26490, 28256, 29088, 31788, 32320, 35320, 36360, 39735, 42384, 48480, 52980, 56512, 58176, 63576, 70640, 72720, 79470, 84768, 89183, 96960, 105960, 127152, 141280, 145440, 158940, 169536, 178366, 211920, 254304, 267549, 282560, 290880, 317880, 356732, 423840, 445915, 508608, 535098, 635760, 713464, 802647, 847680, 891830, 1070196, 1271520, 1337745, 1426928, 1605294, 1783660, 2140392, 2543040, 2675490, 2853856, 3210588, 3567320, 4013235, 4280784, 5350980, 5707712, 6421176, 7134640, 8026470, 8561568, 10701960, 12842352, 14269280, 16052940, 17123136, 21403920, 25684704, 28538560, 32105880, 42807840, 51369408, 64211760, 85615680, 128423520, 256847040]

約数ペア:

[(1, 256847040), (2, 128423520), (3, 85615680), (4, 64211760), (5, 51369408), (6, 42807840), (8, 32105880), (9, 28538560), (10, 25684704), (12, 21403920), (15, 17123136), (16, 16052940), (18, 14269280), (20, 12842352), (24, 10701960), (30, 8561568), (32, 8026470), (36, 7134640), (40, 6421176), (45, 5707712), (48, 5350980), (60, 4280784), (64, 4013235), (72, 3567320), (80, 3210588), (90, 2853856), (96, 2675490), (101, 2543040), (120, 2140392), (144, 1783660), (160, 1605294), (180, 1426928), (192, 1337745), (202, 1271520), (240, 1070196), (288, 891830), (303, 847680), (320, 802647), (360, 713464), (404, 635760), (480, 535098), (505, 508608), (576, 445915), (606, 423840), (720, 356732), (808, 317880), (883, 290880), (909, 282560), (960, 267549), (1010, 254304), (1212, 211920), (1440, 178366), (1515, 169536), (1616, 158940), (1766, 145440), (1818, 141280), (2020, 127152), (2424, 105960), (2649, 96960), (2880, 89183), (3030, 84768), (3232, 79470), (3532, 72720), (3636, 70640), (4040, 63576), (4415, 58176), (4545, 56512), (4848, 52980), (5298, 48480), (6060, 42384), (6464, 39735), (7064, 36360), (7272, 35320), (7947, 32320), (8080, 31788), (8830, 29088), (9090, 28256), (9696, 26490), (10596, 24240), (12120, 21192), (13245, 19392), (14128, 18180), (14544, 17660), (15894, 16160)]