15678823940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:670

約数の個数: 192

約数和(自身を含む): 38525760000

約数和(自身を除く): 22846936060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 199, 205, 247, 260, 380, 389, 398, 410, 494, 533, 778, 779, 796, 820, 988, 995, 1066, 1235, 1556, 1558, 1945, 1990, 2132, 2470, 2587, 2665, 3116, 3781, 3890, 3895, 3980, 4940, 5057, 5174, 5330, 7391, 7562, 7780, 7790, 8159, 10114, 10127, 10348, 10660, 12935, 14782, 15124, 15580, 15949, 16318, 18905, 20228, 20254, 25285, 25870, 29564, 31898, 32636, 36955, 37810, 40508, 40795, 49153, 50570, 50635, 51740, 63796, 73910, 75620, 77411, 79745, 81590, 96083, 98306, 101140, 101270, 106067, 147820, 154822, 155021, 159490, 163180, 192166, 196612, 202540, 207337, 212134, 245765, 303031, 309644, 310042, 318980, 384332, 387055, 414674, 424268, 480415, 491530, 530335, 606062, 620084, 774110, 775105, 829348, 960830, 983060, 1006343, 1036685, 1060670, 1212124, 1470809, 1515155, 1548220, 1550210, 1921660, 2012686, 2015273, 2073370, 2121340, 2941618, 3030310, 3100420, 3173851, 3939403, 4025372, 4030546, 4146740, 5031715, 5883236, 6060620, 6347702, 7354045, 7878806, 8061092, 10063430, 10076365, 12695404, 14708090, 15757612, 15869255, 19120517, 19697015, 20126860, 20152730, 29416180, 31738510, 38241034, 39394030, 40305460, 41260063, 60303169, 63477020, 76482068, 78788060, 82520126, 95602585, 120606338, 165040252, 191205170, 206300315, 241212676, 301515845, 382410340, 412600630, 603031690, 783941197, 825201260, 1206063380, 1567882394, 3135764788, 3919705985, 7839411970, 15678823940]

約数ペア:

[(1, 15678823940), (2, 7839411970), (4, 3919705985), (5, 3135764788), (10, 1567882394), (13, 1206063380), (19, 825201260), (20, 783941197), (26, 603031690), (38, 412600630), (41, 382410340), (52, 301515845), (65, 241212676), (76, 206300315), (82, 191205170), (95, 165040252), (130, 120606338), (164, 95602585), (190, 82520126), (199, 78788060), (205, 76482068), (247, 63477020), (260, 60303169), (380, 41260063), (389, 40305460), (398, 39394030), (410, 38241034), (494, 31738510), (533, 29416180), (778, 20152730), (779, 20126860), (796, 19697015), (820, 19120517), (988, 15869255), (995, 15757612), (1066, 14708090), (1235, 12695404), (1556, 10076365), (1558, 10063430), (1945, 8061092), (1990, 7878806), (2132, 7354045), (2470, 6347702), (2587, 6060620), (2665, 5883236), (3116, 5031715), (3781, 4146740), (3890, 4030546), (3895, 4025372), (3980, 3939403), (4940, 3173851), (5057, 3100420), (5174, 3030310), (5330, 2941618), (7391, 2121340), (7562, 2073370), (7780, 2015273), (7790, 2012686), (8159, 1921660), (10114, 1550210), (10127, 1548220), (10348, 1515155), (10660, 1470809), (12935, 1212124), (14782, 1060670), (15124, 1036685), (15580, 1006343), (15949, 983060), (16318, 960830), (18905, 829348), (20228, 775105), (20254, 774110), (25285, 620084), (25870, 606062), (29564, 530335), (31898, 491530), (32636, 480415), (36955, 424268), (37810, 414674), (40508, 387055), (40795, 384332), (49153, 318980), (50570, 310042), (50635, 309644), (51740, 303031), (63796, 245765), (73910, 212134), (75620, 207337), (77411, 202540), (79745, 196612), (81590, 192166), (96083, 163180), (98306, 159490), (101140, 155021), (101270, 154822), (106067, 147820)]