280987560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:985

約数の個数: 288

約数和(自身を含む): 1125993960

約数和(自身を除く): 845006400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 49, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 98, 102, 105, 119, 120, 126, 136, 140, 147, 153, 168, 170, 180, 196, 204, 210, 238, 245, 252, 255, 280, 294, 306, 315, 340, 357, 360, 392, 408, 420, 441, 476, 490, 504, 510, 588, 595, 612, 630, 680, 714, 735, 765, 833, 840, 882, 937, 952, 980, 1020, 1071, 1176, 1190, 1224, 1260, 1428, 1470, 1530, 1666, 1764, 1785, 1874, 1960, 2040, 2142, 2205, 2380, 2499, 2520, 2811, 2856, 2940, 3060, 3332, 3528, 3570, 3748, 4165, 4284, 4410, 4685, 4760, 4998, 5355, 5622, 5880, 6120, 6559, 6664, 7140, 7496, 7497, 8330, 8433, 8568, 8820, 9370, 9996, 10710, 11244, 12495, 13118, 14055, 14280, 14994, 15929, 16660, 16866, 17640, 18740, 19677, 19992, 21420, 22488, 24990, 26236, 28110, 29988, 31858, 32795, 33320, 33732, 37480, 37485, 39354, 42165, 42840, 45913, 47787, 49980, 52472, 56220, 59031, 59976, 63716, 65590, 67464, 74970, 78708, 79645, 84330, 91826, 95574, 98385, 99960, 111503, 112440, 118062, 127432, 131180, 137739, 143361, 149940, 157416, 159290, 168660, 183652, 191148, 196770, 223006, 229565, 236124, 238935, 262360, 275478, 286722, 295155, 299880, 318580, 334509, 337320, 367304, 382296, 393540, 413217, 446012, 459130, 472248, 477870, 550956, 557515, 573444, 590310, 637160, 669018, 688695, 716805, 780521, 787080, 826434, 892024, 918260, 955740, 1003527, 1101912, 1115030, 1146888, 1180620, 1338036, 1377390, 1433610, 1561042, 1652868, 1672545, 1836520, 1911480, 2007054, 2066085, 2230060, 2341563, 2361240, 2676072, 2754780, 2867220, 3122084, 3305736, 3345090, 3902605, 4014108, 4132170, 4460120, 4683126, 5017635, 5509560, 5734440, 6244168, 6690180, 7024689, 7805210, 8028216, 8264340, 9366252, 10035270, 11707815, 13380360, 14049378, 15610420, 16528680, 18732504, 20070540, 23415630, 28098756, 31220840, 35123445, 40141080, 46831260, 56197512, 70246890, 93662520, 140493780, 280987560]

約数ペア:

[(1, 280987560), (2, 140493780), (3, 93662520), (4, 70246890), (5, 56197512), (6, 46831260), (7, 40141080), (8, 35123445), (9, 31220840), (10, 28098756), (12, 23415630), (14, 20070540), (15, 18732504), (17, 16528680), (18, 15610420), (20, 14049378), (21, 13380360), (24, 11707815), (28, 10035270), (30, 9366252), (34, 8264340), (35, 8028216), (36, 7805210), (40, 7024689), (42, 6690180), (45, 6244168), (49, 5734440), (51, 5509560), (56, 5017635), (60, 4683126), (63, 4460120), (68, 4132170), (70, 4014108), (72, 3902605), (84, 3345090), (85, 3305736), (90, 3122084), (98, 2867220), (102, 2754780), (105, 2676072), (119, 2361240), (120, 2341563), (126, 2230060), (136, 2066085), (140, 2007054), (147, 1911480), (153, 1836520), (168, 1672545), (170, 1652868), (180, 1561042), (196, 1433610), (204, 1377390), (210, 1338036), (238, 1180620), (245, 1146888), (252, 1115030), (255, 1101912), (280, 1003527), (294, 955740), (306, 918260), (315, 892024), (340, 826434), (357, 787080), (360, 780521), (392, 716805), (408, 688695), (420, 669018), (441, 637160), (476, 590310), (490, 573444), (504, 557515), (510, 550956), (588, 477870), (595, 472248), (612, 459130), (630, 446012), (680, 413217), (714, 393540), (735, 382296), (765, 367304), (833, 337320), (840, 334509), (882, 318580), (937, 299880), (952, 295155), (980, 286722), (1020, 275478), (1071, 262360), (1176, 238935), (1190, 236124), (1224, 229565), (1260, 223006), (1428, 196770), (1470, 191148), (1530, 183652), (1666, 168660), (1764, 159290), (1785, 157416), (1874, 149940), (1960, 143361), (2040, 137739), (2142, 131180), (2205, 127432), (2380, 118062), (2499, 112440), (2520, 111503), (2811, 99960), (2856, 98385), (2940, 95574), (3060, 91826), (3332, 84330), (3528, 79645), (3570, 78708), (3748, 74970), (4165, 67464), (4284, 65590), (4410, 63716), (4685, 59976), (4760, 59031), (4998, 56220), (5355, 52472), (5622, 49980), (5880, 47787), (6120, 45913), (6559, 42840), (6664, 42165), (7140, 39354), (7496, 37485), (7497, 37480), (8330, 33732), (8433, 33320), (8568, 32795), (8820, 31858), (9370, 29988), (9996, 28110), (10710, 26236), (11244, 24990), (12495, 22488), (13118, 21420), (14055, 19992), (14280, 19677), (14994, 18740), (15929, 17640), (16660, 16866)]