64916320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 176904000

約数和(自身を除く): 111987680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 149, 160, 224, 280, 298, 389, 560, 596, 745, 778, 1043, 1120, 1192, 1490, 1556, 1945, 2086, 2384, 2723, 2980, 3112, 3890, 4172, 4768, 5215, 5446, 5960, 6224, 7780, 8344, 10430, 10892, 11920, 12448, 13615, 15560, 16688, 20860, 21784, 23840, 27230, 31120, 33376, 41720, 43568, 54460, 57961, 62240, 83440, 87136, 108920, 115922, 166880, 217840, 231844, 289805, 405727, 435680, 463688, 579610, 811454, 927376, 1159220, 1622908, 1854752, 2028635, 2318440, 3245816, 4057270, 4636880, 6491632, 8114540, 9273760, 12983264, 16229080, 32458160, 64916320]

約数ペア:

[(1, 64916320), (2, 32458160), (4, 16229080), (5, 12983264), (7, 9273760), (8, 8114540), (10, 6491632), (14, 4636880), (16, 4057270), (20, 3245816), (28, 2318440), (32, 2028635), (35, 1854752), (40, 1622908), (56, 1159220), (70, 927376), (80, 811454), (112, 579610), (140, 463688), (149, 435680), (160, 405727), (224, 289805), (280, 231844), (298, 217840), (389, 166880), (560, 115922), (596, 108920), (745, 87136), (778, 83440), (1043, 62240), (1120, 57961), (1192, 54460), (1490, 43568), (1556, 41720), (1945, 33376), (2086, 31120), (2384, 27230), (2723, 23840), (2980, 21784), (3112, 20860), (3890, 16688), (4172, 15560), (4768, 13615), (5215, 12448), (5446, 11920), (5960, 10892), (6224, 10430), (7780, 8344)]