247657280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1676

約数の個数: 112

約数和(自身を含む): 652668240

約数和(自身を除く): 405010960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 740, 832, 962, 1040, 1184, 1480, 1609, 1924, 2080, 2368, 2405, 2960, 3218, 3848, 4160, 4810, 5920, 6436, 7696, 8045, 9620, 11840, 12872, 15392, 16090, 19240, 20917, 25744, 30784, 32180, 38480, 41834, 51488, 59533, 64360, 76960, 83668, 102976, 104585, 119066, 128720, 153920, 167336, 209170, 238132, 257440, 297665, 334672, 418340, 476264, 514880, 595330, 669344, 773929, 836680, 952528, 1190660, 1338688, 1547858, 1673360, 1905056, 2381320, 3095716, 3346720, 3810112, 3869645, 4762640, 6191432, 6693440, 7739290, 9525280, 12382864, 15478580, 19050560, 24765728, 30957160, 49531456, 61914320, 123828640, 247657280]

約数ペア:

[(1, 247657280), (2, 123828640), (4, 61914320), (5, 49531456), (8, 30957160), (10, 24765728), (13, 19050560), (16, 15478580), (20, 12382864), (26, 9525280), (32, 7739290), (37, 6693440), (40, 6191432), (52, 4762640), (64, 3869645), (65, 3810112), (74, 3346720), (80, 3095716), (104, 2381320), (130, 1905056), (148, 1673360), (160, 1547858), (185, 1338688), (208, 1190660), (260, 952528), (296, 836680), (320, 773929), (370, 669344), (416, 595330), (481, 514880), (520, 476264), (592, 418340), (740, 334672), (832, 297665), (962, 257440), (1040, 238132), (1184, 209170), (1480, 167336), (1609, 153920), (1924, 128720), (2080, 119066), (2368, 104585), (2405, 102976), (2960, 83668), (3218, 76960), (3848, 64360), (4160, 59533), (4810, 51488), (5920, 41834), (6436, 38480), (7696, 32180), (8045, 30784), (9620, 25744), (11840, 20917), (12872, 19240), (15392, 16090)]