78902040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 290304000

約数和(自身を除く): 211401960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 41, 42, 56, 58, 60, 70, 79, 82, 84, 87, 105, 116, 120, 123, 140, 145, 158, 164, 168, 174, 203, 205, 210, 232, 237, 246, 280, 287, 290, 316, 328, 348, 395, 406, 410, 420, 435, 474, 492, 553, 574, 580, 609, 615, 632, 696, 790, 812, 820, 840, 861, 870, 948, 984, 1015, 1106, 1148, 1160, 1185, 1189, 1218, 1230, 1435, 1580, 1624, 1640, 1659, 1722, 1740, 1896, 2030, 2212, 2291, 2296, 2370, 2378, 2436, 2460, 2765, 2870, 3045, 3160, 3239, 3318, 3444, 3480, 3567, 4060, 4305, 4424, 4582, 4740, 4756, 4872, 4920, 5530, 5740, 5945, 6090, 6478, 6636, 6873, 6888, 7134, 8120, 8295, 8323, 8610, 9164, 9480, 9512, 9717, 11060, 11455, 11480, 11890, 12180, 12956, 13272, 13746, 14268, 16037, 16195, 16590, 16646, 17220, 17835, 18328, 19434, 22120, 22673, 22910, 23780, 24360, 24969, 25912, 27492, 28536, 32074, 32390, 33180, 33292, 34365, 34440, 35670, 38868, 41615, 45346, 45820, 47560, 48111, 48585, 49938, 54984, 64148, 64780, 66360, 66584, 68019, 68730, 71340, 77736, 80185, 83230, 90692, 91640, 93931, 96222, 97170, 99876, 113365, 124845, 128296, 129560, 136038, 137460, 142680, 160370, 166460, 181384, 187862, 192444, 194340, 199752, 226730, 240555, 249690, 272076, 274920, 281793, 320740, 332920, 340095, 375724, 384888, 388680, 453460, 469655, 481110, 499380, 544152, 563586, 641480, 657517, 680190, 751448, 906920, 939310, 962220, 998760, 1127172, 1315034, 1360380, 1408965, 1878620, 1924440, 1972551, 2254344, 2630068, 2720760, 2817930, 3287585, 3757240, 3945102, 5260136, 5635860, 6575170, 7890204, 9862755, 11271720, 13150340, 15780408, 19725510, 26300680, 39451020, 78902040]

約数ペア:

[(1, 78902040), (2, 39451020), (3, 26300680), (4, 19725510), (5, 15780408), (6, 13150340), (7, 11271720), (8, 9862755), (10, 7890204), (12, 6575170), (14, 5635860), (15, 5260136), (20, 3945102), (21, 3757240), (24, 3287585), (28, 2817930), (29, 2720760), (30, 2630068), (35, 2254344), (40, 1972551), (41, 1924440), (42, 1878620), (56, 1408965), (58, 1360380), (60, 1315034), (70, 1127172), (79, 998760), (82, 962220), (84, 939310), (87, 906920), (105, 751448), (116, 680190), (120, 657517), (123, 641480), (140, 563586), (145, 544152), (158, 499380), (164, 481110), (168, 469655), (174, 453460), (203, 388680), (205, 384888), (210, 375724), (232, 340095), (237, 332920), (246, 320740), (280, 281793), (287, 274920), (290, 272076), (316, 249690), (328, 240555), (348, 226730), (395, 199752), (406, 194340), (410, 192444), (420, 187862), (435, 181384), (474, 166460), (492, 160370), (553, 142680), (574, 137460), (580, 136038), (609, 129560), (615, 128296), (632, 124845), (696, 113365), (790, 99876), (812, 97170), (820, 96222), (840, 93931), (861, 91640), (870, 90692), (948, 83230), (984, 80185), (1015, 77736), (1106, 71340), (1148, 68730), (1160, 68019), (1185, 66584), (1189, 66360), (1218, 64780), (1230, 64148), (1435, 54984), (1580, 49938), (1624, 48585), (1640, 48111), (1659, 47560), (1722, 45820), (1740, 45346), (1896, 41615), (2030, 38868), (2212, 35670), (2291, 34440), (2296, 34365), (2370, 33292), (2378, 33180), (2436, 32390), (2460, 32074), (2765, 28536), (2870, 27492), (3045, 25912), (3160, 24969), (3239, 24360), (3318, 23780), (3444, 22910), (3480, 22673), (3567, 22120), (4060, 19434), (4305, 18328), (4424, 17835), (4582, 17220), (4740, 16646), (4756, 16590), (4872, 16195), (4920, 16037), (5530, 14268), (5740, 13746), (5945, 13272), (6090, 12956), (6478, 12180), (6636, 11890), (6873, 11480), (6888, 11455), (7134, 11060), (8120, 9717), (8295, 9512), (8323, 9480), (8610, 9164)]