1305297720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{63611}}^1$

素因数の和:63650

約数の個数: 128

約数和(自身を含む): 4580064000

約数和(自身を除く): 3274766280

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, 20520, 63611, 127222, 190833, 254444, 318055, 381666, 508888, 572499, 636110, 763332, 954165, 1144998, 1208609, 1272220, 1526664, 1717497, 1908330, 2289996, 2417218, 2544440, 2862495, 3434994, 3625827, 3816660, 4579992, 4834436, 5724990, 6043045, 6869988, 7251654, 7633320, 8587485, 9668872, 10877481, 11449980, 12086090, 13739976, 14503308, 17174970, 18129135, 21754962, 22899960, 24172180, 29006616, 32632443, 34349940, 36258270, 43509924, 48344360, 54387405, 65264886, 68699880, 72516540, 87019848, 108774810, 130529772, 145033080, 163162215, 217549620, 261059544, 326324430, 435099240, 652648860, 1305297720]

約数ペア:

[(1, 1305297720), (2, 652648860), (3, 435099240), (4, 326324430), (5, 261059544), (6, 217549620), (8, 163162215), (9, 145033080), (10, 130529772), (12, 108774810), (15, 87019848), (18, 72516540), (19, 68699880), (20, 65264886), (24, 54387405), (27, 48344360), (30, 43509924), (36, 36258270), (38, 34349940), (40, 32632443), (45, 29006616), (54, 24172180), (57, 22899960), (60, 21754962), (72, 18129135), (76, 17174970), (90, 14503308), (95, 13739976), (108, 12086090), (114, 11449980), (120, 10877481), (135, 9668872), (152, 8587485), (171, 7633320), (180, 7251654), (190, 6869988), (216, 6043045), (228, 5724990), (270, 4834436), (285, 4579992), (342, 3816660), (360, 3625827), (380, 3434994), (456, 2862495), (513, 2544440), (540, 2417218), (570, 2289996), (684, 1908330), (760, 1717497), (855, 1526664), (1026, 1272220), (1080, 1208609), (1140, 1144998), (1368, 954165), (1710, 763332), (2052, 636110), (2280, 572499), (2565, 508888), (3420, 381666), (4104, 318055), (5130, 254444), (6840, 190833), (10260, 127222), (20520, 63611)]