258777720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12611}}^1$

素因数の和:12650

約数の個数: 128

約数和(自身を含む): 908064000

約数和(自身を除く): 649286280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12611, 20520, 25222, 37833, 50444, 63055, 75666, 100888, 113499, 126110, 151332, 189165, 226998, 239609, 252220, 302664, 340497, 378330, 453996, 479218, 504440, 567495, 680994, 718827, 756660, 907992, 958436, 1134990, 1198045, 1361988, 1437654, 1513320, 1702485, 1916872, 2156481, 2269980, 2396090, 2723976, 2875308, 3404970, 3594135, 4312962, 4539960, 4792180, 5750616, 6469443, 6809940, 7188270, 8625924, 9584360, 10782405, 12938886, 13619880, 14376540, 17251848, 21564810, 25877772, 28753080, 32347215, 43129620, 51755544, 64694430, 86259240, 129388860, 258777720]

約数ペア:

[(1, 258777720), (2, 129388860), (3, 86259240), (4, 64694430), (5, 51755544), (6, 43129620), (8, 32347215), (9, 28753080), (10, 25877772), (12, 21564810), (15, 17251848), (18, 14376540), (19, 13619880), (20, 12938886), (24, 10782405), (27, 9584360), (30, 8625924), (36, 7188270), (38, 6809940), (40, 6469443), (45, 5750616), (54, 4792180), (57, 4539960), (60, 4312962), (72, 3594135), (76, 3404970), (90, 2875308), (95, 2723976), (108, 2396090), (114, 2269980), (120, 2156481), (135, 1916872), (152, 1702485), (171, 1513320), (180, 1437654), (190, 1361988), (216, 1198045), (228, 1134990), (270, 958436), (285, 907992), (342, 756660), (360, 718827), (380, 680994), (456, 567495), (513, 504440), (540, 479218), (570, 453996), (684, 378330), (760, 340497), (855, 302664), (1026, 252220), (1080, 239609), (1140, 226998), (1368, 189165), (1710, 151332), (2052, 126110), (2280, 113499), (2565, 100888), (3420, 75666), (4104, 63055), (5130, 50444), (6840, 37833), (10260, 25222), (12611, 20520)]