28458720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19763}}^1$

素因数の和:19784

約数の個数: 72

約数和(自身を含む): 97120296

約数和(自身を除く): 68661576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19763, 39526, 59289, 79052, 98815, 118578, 158104, 177867, 197630, 237156, 296445, 316208, 355734, 395260, 474312, 592890, 632416, 711468, 790520, 889335, 948624, 1185780, 1422936, 1581040, 1778670, 1897248, 2371560, 2845872, 3162080, 3557340, 4743120, 5691744, 7114680, 9486240, 14229360, 28458720]

約数ペア:

[(1, 28458720), (2, 14229360), (3, 9486240), (4, 7114680), (5, 5691744), (6, 4743120), (8, 3557340), (9, 3162080), (10, 2845872), (12, 2371560), (15, 1897248), (16, 1778670), (18, 1581040), (20, 1422936), (24, 1185780), (30, 948624), (32, 889335), (36, 790520), (40, 711468), (45, 632416), (48, 592890), (60, 474312), (72, 395260), (80, 355734), (90, 316208), (96, 296445), (120, 237156), (144, 197630), (160, 177867), (180, 158104), (240, 118578), (288, 98815), (360, 79052), (480, 59289), (720, 39526), (1440, 19763)]