1247800840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 3423228480

約数和(自身を除く): 2175427640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 227, 248, 260, 286, 310, 341, 403, 440, 454, 520, 572, 620, 682, 715, 806, 908, 961, 1135, 1144, 1240, 1364, 1430, 1612, 1705, 1816, 1922, 2015, 2270, 2497, 2728, 2860, 2951, 3224, 3410, 3844, 4030, 4433, 4540, 4805, 4994, 5720, 5902, 6820, 7037, 7688, 8060, 8866, 9080, 9610, 9988, 10571, 11804, 12485, 12493, 13640, 14074, 14755, 16120, 17732, 19220, 19976, 21142, 22165, 23608, 24970, 24986, 28148, 29510, 32461, 35185, 35464, 38440, 42284, 44330, 49940, 49972, 52855, 56296, 59020, 62465, 64922, 70370, 77407, 84568, 88660, 91481, 99880, 99944, 105710, 118040, 124930, 129844, 137423, 140740, 154814, 162305, 177320, 182962, 211420, 218147, 249860, 259688, 274846, 281480, 309628, 324610, 365924, 387035, 422840, 436294, 457405, 499720, 549692, 619256, 649220, 687115, 731848, 774070, 872588, 914810, 1006291, 1090735, 1099384, 1298440, 1374230, 1548140, 1745176, 1829620, 2012582, 2181470, 2399617, 2748460, 2835911, 3096280, 3659240, 4025164, 4362940, 4799234, 5031455, 5496920, 5671822, 8050328, 8725880, 9598468, 10062910, 11343644, 11998085, 14179555, 19196936, 20125820, 22687288, 23996170, 28359110, 31195021, 40251640, 47992340, 56718220, 62390042, 95984680, 113436440, 124780084, 155975105, 249560168, 311950210, 623900420, 1247800840]

約数ペア:

[(1, 1247800840), (2, 623900420), (4, 311950210), (5, 249560168), (8, 155975105), (10, 124780084), (11, 113436440), (13, 95984680), (20, 62390042), (22, 56718220), (26, 47992340), (31, 40251640), (40, 31195021), (44, 28359110), (52, 23996170), (55, 22687288), (62, 20125820), (65, 19196936), (88, 14179555), (104, 11998085), (110, 11343644), (124, 10062910), (130, 9598468), (143, 8725880), (155, 8050328), (220, 5671822), (227, 5496920), (248, 5031455), (260, 4799234), (286, 4362940), (310, 4025164), (341, 3659240), (403, 3096280), (440, 2835911), (454, 2748460), (520, 2399617), (572, 2181470), (620, 2012582), (682, 1829620), (715, 1745176), (806, 1548140), (908, 1374230), (961, 1298440), (1135, 1099384), (1144, 1090735), (1240, 1006291), (1364, 914810), (1430, 872588), (1612, 774070), (1705, 731848), (1816, 687115), (1922, 649220), (2015, 619256), (2270, 549692), (2497, 499720), (2728, 457405), (2860, 436294), (2951, 422840), (3224, 387035), (3410, 365924), (3844, 324610), (4030, 309628), (4433, 281480), (4540, 274846), (4805, 259688), (4994, 249860), (5720, 218147), (5902, 211420), (6820, 182962), (7037, 177320), (7688, 162305), (8060, 154814), (8866, 140740), (9080, 137423), (9610, 129844), (9988, 124930), (10571, 118040), (11804, 105710), (12485, 99944), (12493, 99880), (13640, 91481), (14074, 88660), (14755, 84568), (16120, 77407), (17732, 70370), (19220, 64922), (19976, 62465), (21142, 59020), (22165, 56296), (23608, 52855), (24970, 49972), (24986, 49940), (28148, 44330), (29510, 42284), (32461, 38440), (35185, 35464)]