680618640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:318

約数の個数: 240

約数和(自身を含む): 2358224064

約数和(自身を除く): 1677605424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 227, 240, 248, 260, 310, 312, 372, 390, 403, 454, 465, 496, 520, 620, 624, 681, 744, 780, 806, 908, 930, 961, 1040, 1135, 1209, 1240, 1362, 1488, 1560, 1612, 1816, 1860, 1922, 2015, 2270, 2418, 2480, 2724, 2883, 2951, 3120, 3224, 3405, 3632, 3720, 3844, 4030, 4540, 4805, 4836, 5448, 5766, 5902, 6045, 6448, 6810, 7037, 7440, 7688, 8060, 8853, 9080, 9610, 9672, 10896, 11532, 11804, 12090, 12493, 13620, 14074, 14415, 14755, 15376, 16120, 17706, 18160, 19220, 19344, 21111, 23064, 23608, 24180, 24986, 27240, 28148, 28830, 29510, 32240, 35185, 35412, 37479, 38440, 42222, 44265, 46128, 47216, 48360, 49972, 54480, 56296, 57660, 59020, 62465, 70370, 70824, 74958, 76880, 84444, 88530, 91481, 96720, 99944, 105555, 112592, 115320, 118040, 124930, 140740, 141648, 149916, 168888, 177060, 182962, 187395, 199888, 211110, 218147, 230640, 236080, 249860, 274443, 281480, 299832, 337776, 354120, 365924, 374790, 422220, 436294, 457405, 499720, 548886, 562960, 599664, 654441, 708240, 731848, 749580, 844440, 872588, 914810, 999440, 1090735, 1097772, 1308882, 1372215, 1463696, 1499160, 1688880, 1745176, 1829620, 2181470, 2195544, 2617764, 2744430, 2835911, 2998320, 3272205, 3490352, 3659240, 4362940, 4391088, 5235528, 5488860, 5671822, 6544410, 7318480, 8507733, 8725880, 10471056, 10977720, 11343644, 13088820, 14179555, 17015466, 17451760, 21955440, 22687288, 26177640, 28359110, 34030932, 42538665, 45374576, 52355280, 56718220, 68061864, 85077330, 113436440, 136123728, 170154660, 226872880, 340309320, 680618640]

約数ペア:

[(1, 680618640), (2, 340309320), (3, 226872880), (4, 170154660), (5, 136123728), (6, 113436440), (8, 85077330), (10, 68061864), (12, 56718220), (13, 52355280), (15, 45374576), (16, 42538665), (20, 34030932), (24, 28359110), (26, 26177640), (30, 22687288), (31, 21955440), (39, 17451760), (40, 17015466), (48, 14179555), (52, 13088820), (60, 11343644), (62, 10977720), (65, 10471056), (78, 8725880), (80, 8507733), (93, 7318480), (104, 6544410), (120, 5671822), (124, 5488860), (130, 5235528), (155, 4391088), (156, 4362940), (186, 3659240), (195, 3490352), (208, 3272205), (227, 2998320), (240, 2835911), (248, 2744430), (260, 2617764), (310, 2195544), (312, 2181470), (372, 1829620), (390, 1745176), (403, 1688880), (454, 1499160), (465, 1463696), (496, 1372215), (520, 1308882), (620, 1097772), (624, 1090735), (681, 999440), (744, 914810), (780, 872588), (806, 844440), (908, 749580), (930, 731848), (961, 708240), (1040, 654441), (1135, 599664), (1209, 562960), (1240, 548886), (1362, 499720), (1488, 457405), (1560, 436294), (1612, 422220), (1816, 374790), (1860, 365924), (1922, 354120), (2015, 337776), (2270, 299832), (2418, 281480), (2480, 274443), (2724, 249860), (2883, 236080), (2951, 230640), (3120, 218147), (3224, 211110), (3405, 199888), (3632, 187395), (3720, 182962), (3844, 177060), (4030, 168888), (4540, 149916), (4805, 141648), (4836, 140740), (5448, 124930), (5766, 118040), (5902, 115320), (6045, 112592), (6448, 105555), (6810, 99944), (7037, 96720), (7440, 91481), (7688, 88530), (8060, 84444), (8853, 76880), (9080, 74958), (9610, 70824), (9672, 70370), (10896, 62465), (11532, 59020), (11804, 57660), (12090, 56296), (12493, 54480), (13620, 49972), (14074, 48360), (14415, 47216), (14755, 46128), (15376, 44265), (16120, 42222), (17706, 38440), (18160, 37479), (19220, 35412), (19344, 35185), (21111, 32240), (23064, 29510), (23608, 28830), (24180, 28148), (24986, 27240)]