780312780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 216

約数和(自身を含む): 2641491216

約数和(自身を除く): 1861178436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 347, 372, 390, 403, 465, 468, 558, 585, 620, 694, 780, 806, 930, 961, 1041, 1116, 1170, 1209, 1388, 1395, 1612, 1735, 1860, 1922, 2015, 2082, 2340, 2418, 2790, 2883, 3123, 3470, 3627, 3844, 4030, 4164, 4511, 4805, 4836, 5205, 5580, 5766, 6045, 6246, 6940, 7254, 8060, 8649, 9022, 9610, 10410, 10757, 11532, 12090, 12492, 12493, 13533, 14415, 14508, 15615, 17298, 18044, 18135, 19220, 20820, 21514, 22555, 24180, 24986, 27066, 28830, 31230, 32271, 34596, 36270, 37479, 40599, 43028, 43245, 45110, 49972, 53785, 54132, 57660, 62460, 62465, 64542, 67665, 72540, 74958, 81198, 86490, 90220, 96813, 107570, 112437, 124930, 129084, 135330, 139841, 149916, 161355, 162396, 172980, 187395, 193626, 202995, 215140, 224874, 249860, 270660, 279682, 322710, 333467, 374790, 387252, 405990, 419523, 449748, 484065, 559364, 562185, 645420, 666934, 699205, 749580, 811980, 839046, 968130, 1000401, 1124370, 1258569, 1333868, 1398410, 1667335, 1678092, 1936260, 2000802, 2097615, 2248740, 2517138, 2796820, 3001203, 3334670, 4001604, 4195230, 4335071, 5002005, 5034276, 6002406, 6292845, 6669340, 8390460, 8670142, 10004010, 12004812, 12585690, 13005213, 15006015, 17340284, 20008020, 21675355, 25171380, 26010426, 30012030, 39015639, 43350710, 52020852, 60024060, 65026065, 78031278, 86701420, 130052130, 156062556, 195078195, 260104260, 390156390, 780312780]

約数ペア:

[(1, 780312780), (2, 390156390), (3, 260104260), (4, 195078195), (5, 156062556), (6, 130052130), (9, 86701420), (10, 78031278), (12, 65026065), (13, 60024060), (15, 52020852), (18, 43350710), (20, 39015639), (26, 30012030), (30, 26010426), (31, 25171380), (36, 21675355), (39, 20008020), (45, 17340284), (52, 15006015), (60, 13005213), (62, 12585690), (65, 12004812), (78, 10004010), (90, 8670142), (93, 8390460), (117, 6669340), (124, 6292845), (130, 6002406), (155, 5034276), (156, 5002005), (180, 4335071), (186, 4195230), (195, 4001604), (234, 3334670), (260, 3001203), (279, 2796820), (310, 2517138), (347, 2248740), (372, 2097615), (390, 2000802), (403, 1936260), (465, 1678092), (468, 1667335), (558, 1398410), (585, 1333868), (620, 1258569), (694, 1124370), (780, 1000401), (806, 968130), (930, 839046), (961, 811980), (1041, 749580), (1116, 699205), (1170, 666934), (1209, 645420), (1388, 562185), (1395, 559364), (1612, 484065), (1735, 449748), (1860, 419523), (1922, 405990), (2015, 387252), (2082, 374790), (2340, 333467), (2418, 322710), (2790, 279682), (2883, 270660), (3123, 249860), (3470, 224874), (3627, 215140), (3844, 202995), (4030, 193626), (4164, 187395), (4511, 172980), (4805, 162396), (4836, 161355), (5205, 149916), (5580, 139841), (5766, 135330), (6045, 129084), (6246, 124930), (6940, 112437), (7254, 107570), (8060, 96813), (8649, 90220), (9022, 86490), (9610, 81198), (10410, 74958), (10757, 72540), (11532, 67665), (12090, 64542), (12492, 62465), (12493, 62460), (13533, 57660), (14415, 54132), (14508, 53785), (15615, 49972), (17298, 45110), (18044, 43245), (18135, 43028), (19220, 40599), (20820, 37479), (21514, 36270), (22555, 34596), (24180, 32271), (24986, 31230), (27066, 28830)]