201320520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2593}}^1$

素因数の和:3254

約数の個数: 64

約数和(自身を含む): 605128320

約数和(自身を除く): 403807800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 2593, 3235, 3882, 5176, 5186, 6470, 7764, 7779, 9705, 10372, 12940, 12965, 15528, 15558, 19410, 20744, 25880, 25930, 31116, 38820, 38895, 51860, 62232, 77640, 77790, 103720, 155580, 311160, 1677671, 3355342, 5033013, 6710684, 8388355, 10066026, 13421368, 16776710, 20132052, 25165065, 33553420, 40264104, 50330130, 67106840, 100660260, 201320520]

約数ペア:

[(1, 201320520), (2, 100660260), (3, 67106840), (4, 50330130), (5, 40264104), (6, 33553420), (8, 25165065), (10, 20132052), (12, 16776710), (15, 13421368), (20, 10066026), (24, 8388355), (30, 6710684), (40, 5033013), (60, 3355342), (120, 1677671), (647, 311160), (1294, 155580), (1941, 103720), (2588, 77790), (2593, 77640), (3235, 62232), (3882, 51860), (5176, 38895), (5186, 38820), (6470, 31116), (7764, 25930), (7779, 25880), (9705, 20744), (10372, 19410), (12940, 15558), (12965, 15528)]