21290484960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{259387}}^1$

素因数の和:259430

約数の個数: 192

約数和(自身を含む): 78438931200

約数和(自身を除く): 57148446240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20520, 27360, 41040, 82080, 259387, 518774, 778161, 1037548, 1296935, 1556322, 2075096, 2334483, 2593870, 3112644, 3890805, 4150192, 4668966, 4928353, 5187740, 6225288, 7003449, 7781610, 8300384, 9337932, 9856706, 10375480, 11672415, 12450576, 14006898, 14785059, 15563220, 18675864, 19713412, 20750960, 23344830, 24641765, 24901152, 28013796, 29570118, 31126440, 35017245, 37351728, 39426824, 41501920, 44355177, 46689660, 49283530, 56027592, 59140236, 62252880, 70034490, 73925295, 74703456, 78853648, 88710354, 93379320, 98567060, 112055184, 118280472, 124505760, 133065531, 140068980, 147850590, 157707296, 177420708, 186758640, 197134120, 221775885, 224110368, 236560944, 266131062, 280137960, 295701180, 354841416, 373517280, 394268240, 443551770, 473121888, 532262124, 560275920, 591402360, 665327655, 709682832, 788536480, 887103540, 1064524248, 1120551840, 1182804720, 1330655310, 1419365664, 1774207080, 2129048496, 2365609440, 2661310620, 3548414160, 4258096992, 5322621240, 7096828320, 10645242480, 21290484960]

約数ペア:

[(1, 21290484960), (2, 10645242480), (3, 7096828320), (4, 5322621240), (5, 4258096992), (6, 3548414160), (8, 2661310620), (9, 2365609440), (10, 2129048496), (12, 1774207080), (15, 1419365664), (16, 1330655310), (18, 1182804720), (19, 1120551840), (20, 1064524248), (24, 887103540), (27, 788536480), (30, 709682832), (32, 665327655), (36, 591402360), (38, 560275920), (40, 532262124), (45, 473121888), (48, 443551770), (54, 394268240), (57, 373517280), (60, 354841416), (72, 295701180), (76, 280137960), (80, 266131062), (90, 236560944), (95, 224110368), (96, 221775885), (108, 197134120), (114, 186758640), (120, 177420708), (135, 157707296), (144, 147850590), (152, 140068980), (160, 133065531), (171, 124505760), (180, 118280472), (190, 112055184), (216, 98567060), (228, 93379320), (240, 88710354), (270, 78853648), (285, 74703456), (288, 73925295), (304, 70034490), (342, 62252880), (360, 59140236), (380, 56027592), (432, 49283530), (456, 46689660), (480, 44355177), (513, 41501920), (540, 39426824), (570, 37351728), (608, 35017245), (684, 31126440), (720, 29570118), (760, 28013796), (855, 24901152), (864, 24641765), (912, 23344830), (1026, 20750960), (1080, 19713412), (1140, 18675864), (1368, 15563220), (1440, 14785059), (1520, 14006898), (1710, 12450576), (1824, 11672415), (2052, 10375480), (2160, 9856706), (2280, 9337932), (2565, 8300384), (2736, 7781610), (3040, 7003449), (3420, 6225288), (4104, 5187740), (4320, 4928353), (4560, 4668966), (5130, 4150192), (5472, 3890805), (6840, 3112644), (8208, 2593870), (9120, 2334483), (10260, 2075096), (13680, 1556322), (16416, 1296935), (20520, 1037548), (27360, 778161), (41040, 518774), (82080, 259387)]