1561457520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{14753}}^1$

素因数の和:14789

約数の個数: 240

約数和(自身を含む): 6256876320

約数和(自身を除く): 4695418800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 10584, 11760, 13230, 14753, 15120, 17640, 21168, 26460, 29506, 35280, 44259, 52920, 59012, 73765, 88518, 103271, 105840, 118024, 132777, 147530, 177036, 206542, 221295, 236048, 265554, 295060, 309813, 354072, 398331, 413084, 442590, 516355, 531108, 590120, 619626, 663885, 708144, 722897, 796662, 826168, 885180, 929439, 1032710, 1062216, 1180240, 1239252, 1327770, 1445794, 1549065, 1593324, 1652336, 1770360, 1858878, 1991655, 2065420, 2124432, 2168691, 2478504, 2655540, 2788317, 2891588, 3098130, 3186648, 3540720, 3614485, 3717756, 3983310, 4130840, 4337382, 4647195, 4957008, 5311080, 5576634, 5783176, 6196260, 6373296, 6506073, 7228970, 7435512, 7966620, 8261680, 8674764, 9294390, 10622160, 10843455, 11153268, 11566352, 12392520, 13012146, 13941585, 14457940, 14871024, 15933240, 17349528, 18588780, 19518219, 21686910, 22306536, 24785040, 26024292, 27883170, 28915880, 31866480, 32530365, 34699056, 37177560, 39036438, 43373820, 44613072, 52048584, 55766340, 57831760, 65060730, 74355120, 78072876, 86747640, 97591095, 104097168, 111532680, 130121460, 156145752, 173495280, 195182190, 223065360, 260242920, 312291504, 390364380, 520485840, 780728760, 1561457520]

約数ペア:

[(1, 1561457520), (2, 780728760), (3, 520485840), (4, 390364380), (5, 312291504), (6, 260242920), (7, 223065360), (8, 195182190), (9, 173495280), (10, 156145752), (12, 130121460), (14, 111532680), (15, 104097168), (16, 97591095), (18, 86747640), (20, 78072876), (21, 74355120), (24, 65060730), (27, 57831760), (28, 55766340), (30, 52048584), (35, 44613072), (36, 43373820), (40, 39036438), (42, 37177560), (45, 34699056), (48, 32530365), (49, 31866480), (54, 28915880), (56, 27883170), (60, 26024292), (63, 24785040), (70, 22306536), (72, 21686910), (80, 19518219), (84, 18588780), (90, 17349528), (98, 15933240), (105, 14871024), (108, 14457940), (112, 13941585), (120, 13012146), (126, 12392520), (135, 11566352), (140, 11153268), (144, 10843455), (147, 10622160), (168, 9294390), (180, 8674764), (189, 8261680), (196, 7966620), (210, 7435512), (216, 7228970), (240, 6506073), (245, 6373296), (252, 6196260), (270, 5783176), (280, 5576634), (294, 5311080), (315, 4957008), (336, 4647195), (360, 4337382), (378, 4130840), (392, 3983310), (420, 3717756), (432, 3614485), (441, 3540720), (490, 3186648), (504, 3098130), (540, 2891588), (560, 2788317), (588, 2655540), (630, 2478504), (720, 2168691), (735, 2124432), (756, 2065420), (784, 1991655), (840, 1858878), (882, 1770360), (945, 1652336), (980, 1593324), (1008, 1549065), (1080, 1445794), (1176, 1327770), (1260, 1239252), (1323, 1180240), (1470, 1062216), (1512, 1032710), (1680, 929439), (1764, 885180), (1890, 826168), (1960, 796662), (2160, 722897), (2205, 708144), (2352, 663885), (2520, 619626), (2646, 590120), (2940, 531108), (3024, 516355), (3528, 442590), (3780, 413084), (3920, 398331), (4410, 354072), (5040, 309813), (5292, 295060), (5880, 265554), (6615, 236048), (7056, 221295), (7560, 206542), (8820, 177036), (10584, 147530), (11760, 132777), (13230, 118024), (14753, 105840), (15120, 103271), (17640, 88518), (21168, 73765), (26460, 59012), (29506, 52920), (35280, 44259)]