100728720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139901}}^1$

素因数の和:139920

約数の個数: 60

約数和(自身を含む): 338283036

約数和(自身を除く): 237554316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 139901, 279802, 419703, 559604, 699505, 839406, 1119208, 1259109, 1399010, 1678812, 2098515, 2238416, 2518218, 2798020, 3357624, 4197030, 5036436, 5596040, 6295545, 6715248, 8394060, 10072872, 11192080, 12591090, 16788120, 20145744, 25182180, 33576240, 50364360, 100728720]

約数ペア:

[(1, 100728720), (2, 50364360), (3, 33576240), (4, 25182180), (5, 20145744), (6, 16788120), (8, 12591090), (9, 11192080), (10, 10072872), (12, 8394060), (15, 6715248), (16, 6295545), (18, 5596040), (20, 5036436), (24, 4197030), (30, 3357624), (36, 2798020), (40, 2518218), (45, 2238416), (48, 2098515), (60, 1678812), (72, 1399010), (80, 1259109), (90, 1119208), (120, 839406), (144, 699505), (180, 559604), (240, 419703), (360, 279802), (720, 139901)]