28493460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2683}}^1$

素因数の和:2757

約数の個数: 72

約数和(自身を含む): 87927840

約数和(自身を除く): 59434380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2683, 3540, 5310, 5366, 8049, 10620, 10732, 13415, 16098, 24147, 26830, 32196, 40245, 48294, 53660, 80490, 96588, 120735, 158297, 160980, 241470, 316594, 474891, 482940, 633188, 791485, 949782, 1424673, 1582970, 1899564, 2374455, 2849346, 3165940, 4748910, 5698692, 7123365, 9497820, 14246730, 28493460]

約数ペア:

[(1, 28493460), (2, 14246730), (3, 9497820), (4, 7123365), (5, 5698692), (6, 4748910), (9, 3165940), (10, 2849346), (12, 2374455), (15, 1899564), (18, 1582970), (20, 1424673), (30, 949782), (36, 791485), (45, 633188), (59, 482940), (60, 474891), (90, 316594), (118, 241470), (177, 160980), (180, 158297), (236, 120735), (295, 96588), (354, 80490), (531, 53660), (590, 48294), (708, 40245), (885, 32196), (1062, 26830), (1180, 24147), (1770, 16098), (2124, 13415), (2655, 10732), (2683, 10620), (3540, 8049), (5310, 5366)]