1778285880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3411

約数の個数: 256

約数和(自身を含む): 6871910400

約数和(自身を除く): 5093624520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 135, 140, 142, 168, 180, 189, 210, 213, 216, 252, 270, 280, 284, 315, 355, 360, 378, 420, 426, 497, 504, 540, 568, 630, 639, 710, 756, 840, 852, 945, 994, 1065, 1080, 1260, 1278, 1420, 1491, 1512, 1704, 1890, 1917, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3313, 3780, 3834, 3976, 4260, 4473, 4970, 5112, 5964, 6390, 6626, 7455, 7560, 7668, 8520, 8946, 9585, 9939, 9940, 11928, 12780, 13252, 13419, 14910, 15336, 16565, 17892, 19170, 19878, 19880, 22365, 23191, 25560, 26504, 26838, 29817, 29820, 33130, 35784, 38340, 39756, 44730, 46382, 49695, 53676, 59634, 59640, 66260, 67095, 69573, 76680, 79512, 89451, 89460, 92764, 99390, 107352, 115955, 119268, 132520, 134190, 139146, 149085, 178902, 178920, 185528, 198780, 208719, 231910, 235223, 238536, 268380, 278292, 298170, 347865, 357804, 397560, 417438, 447255, 463820, 470446, 536760, 556584, 596340, 626157, 695730, 705669, 715608, 834876, 894510, 927640, 940892, 1043595, 1176115, 1192680, 1252314, 1391460, 1411338, 1646561, 1669752, 1789020, 1881784, 2087190, 2117007, 2352230, 2504628, 2782920, 2822676, 3130785, 3293122, 3528345, 3578040, 4174380, 4234014, 4704460, 4939683, 5009256, 5645352, 6261570, 6351021, 6586244, 7056690, 8232805, 8348760, 8468028, 9408920, 9879366, 10585035, 12523140, 12702042, 13172488, 14113380, 14819049, 16465610, 16936056, 19758732, 21170070, 24698415, 25046280, 25404084, 28226760, 29638098, 31755105, 32931220, 39517464, 42340140, 44457147, 49396830, 50808168, 59276196, 63510210, 65862440, 74095245, 84680280, 88914294, 98793660, 118552392, 127020420, 148190490, 177828588, 197587320, 222285735, 254040840, 296380980, 355657176, 444571470, 592761960, 889142940, 1778285880]

約数ペア:

[(1, 1778285880), (2, 889142940), (3, 592761960), (4, 444571470), (5, 355657176), (6, 296380980), (7, 254040840), (8, 222285735), (9, 197587320), (10, 177828588), (12, 148190490), (14, 127020420), (15, 118552392), (18, 98793660), (20, 88914294), (21, 84680280), (24, 74095245), (27, 65862440), (28, 63510210), (30, 59276196), (35, 50808168), (36, 49396830), (40, 44457147), (42, 42340140), (45, 39517464), (54, 32931220), (56, 31755105), (60, 29638098), (63, 28226760), (70, 25404084), (71, 25046280), (72, 24698415), (84, 21170070), (90, 19758732), (105, 16936056), (108, 16465610), (120, 14819049), (126, 14113380), (135, 13172488), (140, 12702042), (142, 12523140), (168, 10585035), (180, 9879366), (189, 9408920), (210, 8468028), (213, 8348760), (216, 8232805), (252, 7056690), (270, 6586244), (280, 6351021), (284, 6261570), (315, 5645352), (355, 5009256), (360, 4939683), (378, 4704460), (420, 4234014), (426, 4174380), (497, 3578040), (504, 3528345), (540, 3293122), (568, 3130785), (630, 2822676), (639, 2782920), (710, 2504628), (756, 2352230), (840, 2117007), (852, 2087190), (945, 1881784), (994, 1789020), (1065, 1669752), (1080, 1646561), (1260, 1411338), (1278, 1391460), (1420, 1252314), (1491, 1192680), (1512, 1176115), (1704, 1043595), (1890, 940892), (1917, 927640), (1988, 894510), (2130, 834876), (2485, 715608), (2520, 705669), (2556, 695730), (2840, 626157), (2982, 596340), (3195, 556584), (3313, 536760), (3780, 470446), (3834, 463820), (3976, 447255), (4260, 417438), (4473, 397560), (4970, 357804), (5112, 347865), (5964, 298170), (6390, 278292), (6626, 268380), (7455, 238536), (7560, 235223), (7668, 231910), (8520, 208719), (8946, 198780), (9585, 185528), (9939, 178920), (9940, 178902), (11928, 149085), (12780, 139146), (13252, 134190), (13419, 132520), (14910, 119268), (15336, 115955), (16565, 107352), (17892, 99390), (19170, 92764), (19878, 89460), (19880, 89451), (22365, 79512), (23191, 76680), (25560, 69573), (26504, 67095), (26838, 66260), (29817, 59640), (29820, 59634), (33130, 53676), (35784, 49695), (38340, 46382), (39756, 44730)]