78889140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 240

約数和(自身を含む): 285405120

約数和(自身を除く): 206515980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 90, 95, 99, 108, 110, 114, 132, 135, 162, 165, 171, 180, 190, 198, 209, 220, 228, 233, 270, 285, 297, 324, 330, 342, 380, 396, 405, 418, 466, 495, 513, 540, 570, 594, 627, 660, 684, 699, 810, 836, 855, 891, 932, 990, 1026, 1045, 1140, 1165, 1188, 1254, 1398, 1485, 1539, 1620, 1710, 1782, 1881, 1980, 2052, 2090, 2097, 2330, 2508, 2563, 2565, 2796, 2970, 3078, 3135, 3420, 3495, 3564, 3762, 4180, 4194, 4427, 4455, 4660, 5126, 5130, 5643, 5940, 6156, 6270, 6291, 6990, 7524, 7689, 7695, 8388, 8854, 8910, 9405, 10252, 10260, 10485, 11286, 12540, 12582, 12815, 13281, 13980, 15378, 15390, 16929, 17708, 17820, 18810, 18873, 20970, 22135, 22572, 23067, 25164, 25630, 26562, 28215, 30756, 30780, 31455, 33858, 37620, 37746, 38445, 39843, 41940, 44270, 46134, 48697, 51260, 53124, 56430, 62910, 66405, 67716, 69201, 75492, 76890, 79686, 84645, 88540, 92268, 94365, 97394, 112860, 115335, 119529, 125820, 132810, 138402, 146091, 153780, 159372, 169290, 188730, 194788, 199215, 207603, 230670, 239058, 243485, 265620, 276804, 292182, 338580, 346005, 358587, 377460, 398430, 415206, 438273, 461340, 478116, 486970, 584364, 597645, 692010, 717174, 730455, 796860, 830412, 876546, 973940, 1038015, 1195290, 1314819, 1384020, 1434348, 1460910, 1753092, 1792935, 2076030, 2191365, 2390580, 2629638, 2921820, 3585870, 3944457, 4152060, 4382730, 5259276, 6574095, 7171740, 7888914, 8765460, 13148190, 15777828, 19722285, 26296380, 39444570, 78889140]

約数ペア:

[(1, 78889140), (2, 39444570), (3, 26296380), (4, 19722285), (5, 15777828), (6, 13148190), (9, 8765460), (10, 7888914), (11, 7171740), (12, 6574095), (15, 5259276), (18, 4382730), (19, 4152060), (20, 3944457), (22, 3585870), (27, 2921820), (30, 2629638), (33, 2390580), (36, 2191365), (38, 2076030), (44, 1792935), (45, 1753092), (54, 1460910), (55, 1434348), (57, 1384020), (60, 1314819), (66, 1195290), (76, 1038015), (81, 973940), (90, 876546), (95, 830412), (99, 796860), (108, 730455), (110, 717174), (114, 692010), (132, 597645), (135, 584364), (162, 486970), (165, 478116), (171, 461340), (180, 438273), (190, 415206), (198, 398430), (209, 377460), (220, 358587), (228, 346005), (233, 338580), (270, 292182), (285, 276804), (297, 265620), (324, 243485), (330, 239058), (342, 230670), (380, 207603), (396, 199215), (405, 194788), (418, 188730), (466, 169290), (495, 159372), (513, 153780), (540, 146091), (570, 138402), (594, 132810), (627, 125820), (660, 119529), (684, 115335), (699, 112860), (810, 97394), (836, 94365), (855, 92268), (891, 88540), (932, 84645), (990, 79686), (1026, 76890), (1045, 75492), (1140, 69201), (1165, 67716), (1188, 66405), (1254, 62910), (1398, 56430), (1485, 53124), (1539, 51260), (1620, 48697), (1710, 46134), (1782, 44270), (1881, 41940), (1980, 39843), (2052, 38445), (2090, 37746), (2097, 37620), (2330, 33858), (2508, 31455), (2563, 30780), (2565, 30756), (2796, 28215), (2970, 26562), (3078, 25630), (3135, 25164), (3420, 23067), (3495, 22572), (3564, 22135), (3762, 20970), (4180, 18873), (4194, 18810), (4427, 17820), (4455, 17708), (4660, 16929), (5126, 15390), (5130, 15378), (5643, 13980), (5940, 13281), (6156, 12815), (6270, 12582), (6291, 12540), (6990, 11286), (7524, 10485), (7689, 10260), (7695, 10252), (8388, 9405), (8854, 8910)]