71309910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 133976490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 53, 70, 86, 105, 106, 129, 149, 159, 210, 215, 258, 265, 298, 301, 318, 371, 430, 447, 530, 602, 645, 742, 745, 795, 894, 903, 1043, 1113, 1290, 1490, 1505, 1590, 1806, 1855, 2086, 2226, 2235, 2279, 3010, 3129, 3710, 4470, 4515, 4558, 5215, 5565, 6258, 6407, 6837, 7897, 9030, 10430, 11130, 11395, 12814, 13674, 15645, 15794, 15953, 19221, 22790, 23691, 31290, 31906, 32035, 34185, 38442, 39485, 44849, 47382, 47859, 55279, 64070, 68370, 78970, 79765, 89698, 95718, 96105, 110558, 118455, 134547, 159530, 165837, 192210, 224245, 236910, 239295, 269094, 276395, 331674, 339571, 448490, 478590, 552790, 672735, 679142, 829185, 1018713, 1345470, 1658370, 1697855, 2037426, 2376997, 3395710, 4753994, 5093565, 7130991, 10187130, 11884985, 14261982, 23769970, 35654955, 71309910]

約数ペア:

[(1, 71309910), (2, 35654955), (3, 23769970), (5, 14261982), (6, 11884985), (7, 10187130), (10, 7130991), (14, 5093565), (15, 4753994), (21, 3395710), (30, 2376997), (35, 2037426), (42, 1697855), (43, 1658370), (53, 1345470), (70, 1018713), (86, 829185), (105, 679142), (106, 672735), (129, 552790), (149, 478590), (159, 448490), (210, 339571), (215, 331674), (258, 276395), (265, 269094), (298, 239295), (301, 236910), (318, 224245), (371, 192210), (430, 165837), (447, 159530), (530, 134547), (602, 118455), (645, 110558), (742, 96105), (745, 95718), (795, 89698), (894, 79765), (903, 78970), (1043, 68370), (1113, 64070), (1290, 55279), (1490, 47859), (1505, 47382), (1590, 44849), (1806, 39485), (1855, 38442), (2086, 34185), (2226, 32035), (2235, 31906), (2279, 31290), (3010, 23691), (3129, 22790), (3710, 19221), (4470, 15953), (4515, 15794), (4558, 15645), (5215, 13674), (5565, 12814), (6258, 11395), (6407, 11130), (6837, 10430), (7897, 9030)]