1408020555

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2719}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 2506752000

約数和(自身を除く): 1098731445

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 79, 95, 115, 237, 285, 345, 395, 437, 1185, 1311, 1501, 1817, 2185, 2719, 4503, 5451, 6555, 7505, 8157, 9085, 13595, 22515, 27255, 34523, 40785, 51661, 62537, 103569, 154983, 172615, 187611, 214801, 258305, 312685, 517845, 644403, 774915, 938055, 1074005, 1188203, 3222015, 3564609, 4081219, 4940423, 5941015, 12243657, 14821269, 17823045, 20406095, 24702115, 61218285, 74106345, 93868037, 281604111, 469340185, 1408020555]

約数ペア:

[(1, 1408020555), (3, 469340185), (5, 281604111), (15, 93868037), (19, 74106345), (23, 61218285), (57, 24702115), (69, 20406095), (79, 17823045), (95, 14821269), (115, 12243657), (237, 5941015), (285, 4940423), (345, 4081219), (395, 3564609), (437, 3222015), (1185, 1188203), (1311, 1074005), (1501, 938055), (1817, 774915), (2185, 644403), (2719, 517845), (4503, 312685), (5451, 258305), (6555, 214801), (7505, 187611), (8157, 172615), (9085, 154983), (13595, 103569), (22515, 62537), (27255, 51661), (34523, 40785)]