64749440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 179928000

約数和(自身を除く): 115178560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 149, 160, 194, 224, 280, 298, 320, 388, 448, 485, 560, 596, 640, 679, 745, 776, 896, 970, 1043, 1120, 1192, 1358, 1490, 1552, 1940, 2086, 2240, 2384, 2716, 2980, 3104, 3395, 3880, 4172, 4480, 4768, 5215, 5432, 5960, 6208, 6790, 7760, 8344, 9536, 10430, 10864, 11920, 12416, 13580, 14453, 15520, 16688, 19072, 20860, 21728, 23840, 27160, 28906, 31040, 33376, 41720, 43456, 47680, 54320, 57812, 62080, 66752, 72265, 83440, 86912, 95360, 101171, 108640, 115624, 133504, 144530, 166880, 202342, 217280, 231248, 289060, 333760, 404684, 434560, 462496, 505855, 578120, 667520, 809368, 924992, 1011710, 1156240, 1618736, 1849984, 2023420, 2312480, 3237472, 4046840, 4624960, 6474944, 8093680, 9249920, 12949888, 16187360, 32374720, 64749440]

約数ペア:

[(1, 64749440), (2, 32374720), (4, 16187360), (5, 12949888), (7, 9249920), (8, 8093680), (10, 6474944), (14, 4624960), (16, 4046840), (20, 3237472), (28, 2312480), (32, 2023420), (35, 1849984), (40, 1618736), (56, 1156240), (64, 1011710), (70, 924992), (80, 809368), (97, 667520), (112, 578120), (128, 505855), (140, 462496), (149, 434560), (160, 404684), (194, 333760), (224, 289060), (280, 231248), (298, 217280), (320, 202342), (388, 166880), (448, 144530), (485, 133504), (560, 115624), (596, 108640), (640, 101171), (679, 95360), (745, 86912), (776, 83440), (896, 72265), (970, 66752), (1043, 62080), (1120, 57812), (1192, 54320), (1358, 47680), (1490, 43456), (1552, 41720), (1940, 33376), (2086, 31040), (2240, 28906), (2384, 27160), (2716, 23840), (2980, 21728), (3104, 20860), (3395, 19072), (3880, 16688), (4172, 15520), (4480, 14453), (4768, 13580), (5215, 12416), (5432, 11920), (5960, 10864), (6208, 10430), (6790, 9536), (7760, 8344)]