1226681720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 3119040000

約数和(自身を除く): 1892358280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 151, 185, 220, 296, 302, 370, 407, 440, 499, 604, 740, 755, 814, 998, 1208, 1480, 1510, 1628, 1661, 1996, 2035, 2495, 3020, 3256, 3322, 3992, 4070, 4990, 5489, 5587, 6040, 6644, 8140, 8305, 9980, 10978, 11174, 13288, 16280, 16610, 18463, 19960, 21956, 22348, 27445, 27935, 33220, 36926, 43912, 44696, 54890, 55870, 61457, 66440, 73852, 75349, 92315, 109780, 111740, 122914, 147704, 150698, 184630, 203093, 219560, 223480, 245828, 301396, 307285, 369260, 376745, 406186, 491656, 602792, 614570, 738520, 753490, 812372, 828839, 1015465, 1229140, 1506980, 1624744, 1657678, 2030930, 2458280, 2787913, 3013960, 3315356, 4061860, 4144195, 5575826, 6630712, 8123720, 8288390, 11151652, 13939565, 16576780, 22303304, 27879130, 30667043, 33153560, 55758260, 61334086, 111516520, 122668172, 153335215, 245336344, 306670430, 613340860, 1226681720]

約数ペア:

[(1, 1226681720), (2, 613340860), (4, 306670430), (5, 245336344), (8, 153335215), (10, 122668172), (11, 111516520), (20, 61334086), (22, 55758260), (37, 33153560), (40, 30667043), (44, 27879130), (55, 22303304), (74, 16576780), (88, 13939565), (110, 11151652), (148, 8288390), (151, 8123720), (185, 6630712), (220, 5575826), (296, 4144195), (302, 4061860), (370, 3315356), (407, 3013960), (440, 2787913), (499, 2458280), (604, 2030930), (740, 1657678), (755, 1624744), (814, 1506980), (998, 1229140), (1208, 1015465), (1480, 828839), (1510, 812372), (1628, 753490), (1661, 738520), (1996, 614570), (2035, 602792), (2495, 491656), (3020, 406186), (3256, 376745), (3322, 369260), (3992, 307285), (4070, 301396), (4990, 245828), (5489, 223480), (5587, 219560), (6040, 203093), (6644, 184630), (8140, 150698), (8305, 147704), (9980, 122914), (10978, 111740), (11174, 109780), (13288, 92315), (16280, 75349), (16610, 73852), (18463, 66440), (19960, 61457), (21956, 55870), (22348, 54890), (27445, 44696), (27935, 43912), (33220, 36926)]