15815730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 46656000

約数和(自身を除く): 30840270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 53, 58, 70, 87, 98, 105, 106, 145, 147, 159, 174, 203, 210, 245, 265, 290, 294, 318, 343, 371, 406, 435, 490, 530, 609, 686, 735, 742, 795, 870, 1015, 1029, 1113, 1218, 1421, 1470, 1537, 1590, 1715, 1855, 2030, 2058, 2226, 2597, 2842, 3045, 3074, 3430, 3710, 4263, 4611, 5145, 5194, 5565, 6090, 7105, 7685, 7791, 8526, 9222, 9947, 10290, 10759, 11130, 12985, 14210, 15370, 15582, 18179, 19894, 21315, 21518, 23055, 25970, 29841, 32277, 36358, 38955, 42630, 46110, 49735, 53795, 54537, 59682, 64554, 75313, 77910, 90895, 99470, 107590, 109074, 149205, 150626, 161385, 181790, 225939, 272685, 298410, 322770, 376565, 451878, 527191, 545370, 753130, 1054382, 1129695, 1581573, 2259390, 2635955, 3163146, 5271910, 7907865, 15815730]

約数ペア:

[(1, 15815730), (2, 7907865), (3, 5271910), (5, 3163146), (6, 2635955), (7, 2259390), (10, 1581573), (14, 1129695), (15, 1054382), (21, 753130), (29, 545370), (30, 527191), (35, 451878), (42, 376565), (49, 322770), (53, 298410), (58, 272685), (70, 225939), (87, 181790), (98, 161385), (105, 150626), (106, 149205), (145, 109074), (147, 107590), (159, 99470), (174, 90895), (203, 77910), (210, 75313), (245, 64554), (265, 59682), (290, 54537), (294, 53795), (318, 49735), (343, 46110), (371, 42630), (406, 38955), (435, 36358), (490, 32277), (530, 29841), (609, 25970), (686, 23055), (735, 21518), (742, 21315), (795, 19894), (870, 18179), (1015, 15582), (1029, 15370), (1113, 14210), (1218, 12985), (1421, 11130), (1470, 10759), (1537, 10290), (1590, 9947), (1715, 9222), (1855, 8526), (2030, 7791), (2058, 7685), (2226, 7105), (2597, 6090), (2842, 5565), (3045, 5194), (3074, 5145), (3430, 4611), (3710, 4263)]