774952880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 2061885888

約数和(自身を除く): 1286933008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 155, 169, 172, 208, 215, 248, 260, 310, 338, 344, 403, 430, 496, 520, 559, 620, 676, 688, 806, 845, 860, 1040, 1118, 1240, 1333, 1352, 1612, 1690, 1720, 1849, 2015, 2236, 2480, 2666, 2704, 2795, 3224, 3380, 3440, 3698, 4030, 4472, 5239, 5332, 5590, 6448, 6665, 6760, 7267, 7396, 8060, 8944, 9245, 10478, 10664, 11180, 13330, 13520, 14534, 14792, 16120, 17329, 18490, 20956, 21328, 22360, 24037, 26195, 26660, 29068, 29584, 32240, 34658, 36335, 36980, 41912, 44720, 48074, 52390, 53320, 57319, 58136, 69316, 72670, 73960, 83824, 86645, 96148, 104780, 106640, 114638, 116272, 120185, 138632, 145340, 147920, 173290, 192296, 209560, 225277, 229276, 240370, 277264, 286595, 290680, 312481, 346580, 384592, 419120, 450554, 458552, 480740, 573190, 581360, 624962, 693160, 745147, 901108, 917104, 961480, 1126385, 1146380, 1249924, 1386320, 1490294, 1562405, 1802216, 1922960, 2252770, 2292760, 2499848, 2980588, 3124810, 3604432, 3725735, 4505540, 4585520, 4999696, 5961176, 6249620, 7451470, 9011080, 9686911, 11922352, 12499240, 14902940, 18022160, 19373822, 24998480, 29805880, 38747644, 48434555, 59611760, 77495288, 96869110, 154990576, 193738220, 387476440, 774952880]

約数ペア:

[(1, 774952880), (2, 387476440), (4, 193738220), (5, 154990576), (8, 96869110), (10, 77495288), (13, 59611760), (16, 48434555), (20, 38747644), (26, 29805880), (31, 24998480), (40, 19373822), (43, 18022160), (52, 14902940), (62, 12499240), (65, 11922352), (80, 9686911), (86, 9011080), (104, 7451470), (124, 6249620), (130, 5961176), (155, 4999696), (169, 4585520), (172, 4505540), (208, 3725735), (215, 3604432), (248, 3124810), (260, 2980588), (310, 2499848), (338, 2292760), (344, 2252770), (403, 1922960), (430, 1802216), (496, 1562405), (520, 1490294), (559, 1386320), (620, 1249924), (676, 1146380), (688, 1126385), (806, 961480), (845, 917104), (860, 901108), (1040, 745147), (1118, 693160), (1240, 624962), (1333, 581360), (1352, 573190), (1612, 480740), (1690, 458552), (1720, 450554), (1849, 419120), (2015, 384592), (2236, 346580), (2480, 312481), (2666, 290680), (2704, 286595), (2795, 277264), (3224, 240370), (3380, 229276), (3440, 225277), (3698, 209560), (4030, 192296), (4472, 173290), (5239, 147920), (5332, 145340), (5590, 138632), (6448, 120185), (6665, 116272), (6760, 114638), (7267, 106640), (7396, 104780), (8060, 96148), (8944, 86645), (9245, 83824), (10478, 73960), (10664, 72670), (11180, 69316), (13330, 58136), (13520, 57319), (14534, 53320), (14792, 52390), (16120, 48074), (17329, 44720), (18490, 41912), (20956, 36980), (21328, 36335), (22360, 34658), (24037, 32240), (26195, 29584), (26660, 29068)]