68551840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 96

約数和(自身を含む): 187294464

約数和(自身を除く): 118742624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 194, 224, 280, 388, 485, 560, 631, 679, 776, 970, 1120, 1262, 1358, 1552, 1940, 2524, 2716, 3104, 3155, 3395, 3880, 4417, 5048, 5432, 6310, 6790, 7760, 8834, 10096, 10864, 12620, 13580, 15520, 17668, 20192, 21728, 22085, 25240, 27160, 35336, 44170, 50480, 54320, 61207, 70672, 88340, 100960, 108640, 122414, 141344, 176680, 244828, 306035, 353360, 428449, 489656, 612070, 706720, 856898, 979312, 1224140, 1713796, 1958624, 2142245, 2448280, 3427592, 4284490, 4896560, 6855184, 8568980, 9793120, 13710368, 17137960, 34275920, 68551840]

約数ペア:

[(1, 68551840), (2, 34275920), (4, 17137960), (5, 13710368), (7, 9793120), (8, 8568980), (10, 6855184), (14, 4896560), (16, 4284490), (20, 3427592), (28, 2448280), (32, 2142245), (35, 1958624), (40, 1713796), (56, 1224140), (70, 979312), (80, 856898), (97, 706720), (112, 612070), (140, 489656), (160, 428449), (194, 353360), (224, 306035), (280, 244828), (388, 176680), (485, 141344), (560, 122414), (631, 108640), (679, 100960), (776, 88340), (970, 70672), (1120, 61207), (1262, 54320), (1358, 50480), (1552, 44170), (1940, 35336), (2524, 27160), (2716, 25240), (3104, 22085), (3155, 21728), (3395, 20192), (3880, 17668), (4417, 15520), (5048, 13580), (5432, 12620), (6310, 10864), (6790, 10096), (7760, 8834)]