205397370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4157}}^1$

素因数の和:4237

約数の個数: 80

約数和(自身を含む): 561479688

約数和(自身を除く): 356082318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 549, 610, 810, 915, 1098, 1647, 1830, 2745, 3294, 4157, 4941, 5490, 8235, 8314, 9882, 12471, 16470, 20785, 24705, 24942, 37413, 41570, 49410, 62355, 74826, 112239, 124710, 187065, 224478, 253577, 336717, 374130, 507154, 561195, 673434, 760731, 1122390, 1267885, 1521462, 1683585, 2282193, 2535770, 3367170, 3803655, 4564386, 6846579, 7607310, 11410965, 13693158, 20539737, 22821930, 34232895, 41079474, 68465790, 102698685, 205397370]

約数ペア:

[(1, 205397370), (2, 102698685), (3, 68465790), (5, 41079474), (6, 34232895), (9, 22821930), (10, 20539737), (15, 13693158), (18, 11410965), (27, 7607310), (30, 6846579), (45, 4564386), (54, 3803655), (61, 3367170), (81, 2535770), (90, 2282193), (122, 1683585), (135, 1521462), (162, 1267885), (183, 1122390), (270, 760731), (305, 673434), (366, 561195), (405, 507154), (549, 374130), (610, 336717), (810, 253577), (915, 224478), (1098, 187065), (1647, 124710), (1830, 112239), (2745, 74826), (3294, 62355), (4157, 49410), (4941, 41570), (5490, 37413), (8235, 24942), (8314, 24705), (9882, 20785), (12471, 16470)]