128565990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 409743360

約数和(自身を除く): 281177370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 31, 35, 42, 45, 58, 62, 63, 70, 87, 90, 93, 105, 126, 145, 155, 174, 186, 203, 210, 217, 227, 261, 279, 290, 310, 315, 406, 434, 435, 454, 465, 522, 558, 609, 630, 651, 681, 870, 899, 930, 1015, 1085, 1135, 1218, 1302, 1305, 1362, 1395, 1589, 1798, 1827, 1953, 2030, 2043, 2170, 2270, 2610, 2697, 2790, 3045, 3178, 3255, 3405, 3654, 3906, 4086, 4495, 4767, 5394, 6090, 6293, 6510, 6583, 6810, 7037, 7945, 8091, 8990, 9135, 9534, 9765, 10215, 12586, 13166, 13485, 14074, 14301, 15890, 16182, 18270, 18879, 19530, 19749, 20430, 21111, 23835, 26970, 28602, 31465, 32915, 35185, 37758, 39498, 40455, 42222, 46081, 47670, 49259, 56637, 59247, 62930, 63333, 65830, 70370, 71505, 80910, 92162, 94395, 98518, 98745, 105555, 113274, 118494, 126666, 138243, 143010, 147777, 188790, 197490, 204073, 211110, 230405, 246295, 276486, 283185, 295554, 296235, 316665, 408146, 414729, 443331, 460810, 492590, 566370, 592470, 612219, 633330, 691215, 738885, 829458, 886662, 1020365, 1224438, 1382430, 1428511, 1477770, 1836657, 2040730, 2073645, 2216655, 2857022, 3061095, 3673314, 4147290, 4285533, 4433310, 6122190, 7142555, 8571066, 9183285, 12856599, 14285110, 18366570, 21427665, 25713198, 42855330, 64282995, 128565990]

約数ペア:

[(1, 128565990), (2, 64282995), (3, 42855330), (5, 25713198), (6, 21427665), (7, 18366570), (9, 14285110), (10, 12856599), (14, 9183285), (15, 8571066), (18, 7142555), (21, 6122190), (29, 4433310), (30, 4285533), (31, 4147290), (35, 3673314), (42, 3061095), (45, 2857022), (58, 2216655), (62, 2073645), (63, 2040730), (70, 1836657), (87, 1477770), (90, 1428511), (93, 1382430), (105, 1224438), (126, 1020365), (145, 886662), (155, 829458), (174, 738885), (186, 691215), (203, 633330), (210, 612219), (217, 592470), (227, 566370), (261, 492590), (279, 460810), (290, 443331), (310, 414729), (315, 408146), (406, 316665), (434, 296235), (435, 295554), (454, 283185), (465, 276486), (522, 246295), (558, 230405), (609, 211110), (630, 204073), (651, 197490), (681, 188790), (870, 147777), (899, 143010), (930, 138243), (1015, 126666), (1085, 118494), (1135, 113274), (1218, 105555), (1302, 98745), (1305, 98518), (1362, 94395), (1395, 92162), (1589, 80910), (1798, 71505), (1827, 70370), (1953, 65830), (2030, 63333), (2043, 62930), (2170, 59247), (2270, 56637), (2610, 49259), (2697, 47670), (2790, 46081), (3045, 42222), (3178, 40455), (3255, 39498), (3405, 37758), (3654, 35185), (3906, 32915), (4086, 31465), (4495, 28602), (4767, 26970), (5394, 23835), (6090, 21111), (6293, 20430), (6510, 19749), (6583, 19530), (6810, 18879), (7037, 18270), (7945, 16182), (8091, 15890), (8990, 14301), (9135, 14074), (9534, 13485), (9765, 13166), (10215, 12586)]