79828840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 227187180

約数和(自身を除く): 147358340

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 169, 182, 196, 241, 245, 260, 280, 338, 364, 392, 455, 482, 490, 520, 637, 676, 728, 845, 910, 964, 980, 1183, 1205, 1274, 1352, 1687, 1690, 1820, 1928, 1960, 2366, 2410, 2548, 3133, 3185, 3374, 3380, 3640, 4732, 4820, 5096, 5915, 6266, 6370, 6748, 6760, 8281, 8435, 9464, 9640, 11809, 11830, 12532, 12740, 13496, 15665, 16562, 16870, 21931, 23618, 23660, 25064, 25480, 31330, 33124, 33740, 40729, 41405, 43862, 47236, 47320, 59045, 62660, 66248, 67480, 81458, 82810, 87724, 94472, 109655, 118090, 125320, 153517, 162916, 165620, 175448, 203645, 219310, 236180, 285103, 307034, 325832, 331240, 407290, 438620, 472360, 570206, 614068, 767585, 814580, 877240, 1140412, 1228136, 1425515, 1535170, 1629160, 1995721, 2280824, 2851030, 3070340, 3991442, 5702060, 6140680, 7982884, 9978605, 11404120, 15965768, 19957210, 39914420, 79828840]

約数ペア:

[(1, 79828840), (2, 39914420), (4, 19957210), (5, 15965768), (7, 11404120), (8, 9978605), (10, 7982884), (13, 6140680), (14, 5702060), (20, 3991442), (26, 3070340), (28, 2851030), (35, 2280824), (40, 1995721), (49, 1629160), (52, 1535170), (56, 1425515), (65, 1228136), (70, 1140412), (91, 877240), (98, 814580), (104, 767585), (130, 614068), (140, 570206), (169, 472360), (182, 438620), (196, 407290), (241, 331240), (245, 325832), (260, 307034), (280, 285103), (338, 236180), (364, 219310), (392, 203645), (455, 175448), (482, 165620), (490, 162916), (520, 153517), (637, 125320), (676, 118090), (728, 109655), (845, 94472), (910, 87724), (964, 82810), (980, 81458), (1183, 67480), (1205, 66248), (1274, 62660), (1352, 59045), (1687, 47320), (1690, 47236), (1820, 43862), (1928, 41405), (1960, 40729), (2366, 33740), (2410, 33124), (2548, 31330), (3133, 25480), (3185, 25064), (3374, 23660), (3380, 23618), (3640, 21931), (4732, 16870), (4820, 16562), (5096, 15665), (5915, 13496), (6266, 12740), (6370, 12532), (6748, 11830), (6760, 11809), (8281, 9640), (8435, 9464)]