78253020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 192

約数和(自身を含む): 266112000

約数和(自身を除く): 187858980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 29, 30, 36, 38, 45, 54, 57, 58, 60, 76, 87, 90, 95, 108, 114, 116, 135, 145, 171, 174, 180, 190, 228, 261, 263, 270, 285, 290, 342, 348, 380, 435, 513, 522, 526, 540, 551, 570, 580, 684, 783, 789, 855, 870, 1026, 1044, 1052, 1102, 1140, 1305, 1315, 1566, 1578, 1653, 1710, 1740, 2052, 2204, 2367, 2565, 2610, 2630, 2755, 3132, 3156, 3306, 3420, 3915, 3945, 4734, 4959, 4997, 5130, 5220, 5260, 5510, 6612, 7101, 7627, 7830, 7890, 8265, 9468, 9918, 9994, 10260, 11020, 11835, 14202, 14877, 14991, 15254, 15660, 15780, 16530, 19836, 19988, 22881, 23670, 24795, 24985, 28404, 29754, 29982, 30508, 33060, 35505, 38135, 44973, 45762, 47340, 49590, 49970, 59508, 59964, 68643, 71010, 74385, 74955, 76270, 89946, 91524, 99180, 99940, 114405, 134919, 137286, 142020, 144913, 148770, 149910, 152540, 179892, 205929, 224865, 228810, 269838, 274572, 289826, 297540, 299820, 343215, 411858, 434739, 449730, 457620, 539676, 579652, 674595, 686430, 724565, 823716, 869478, 899460, 1029645, 1304217, 1349190, 1372860, 1449130, 1738956, 2059290, 2173695, 2608434, 2698380, 2898260, 3912651, 4118580, 4347390, 5216868, 6521085, 7825302, 8694780, 13042170, 15650604, 19563255, 26084340, 39126510, 78253020]

約数ペア:

[(1, 78253020), (2, 39126510), (3, 26084340), (4, 19563255), (5, 15650604), (6, 13042170), (9, 8694780), (10, 7825302), (12, 6521085), (15, 5216868), (18, 4347390), (19, 4118580), (20, 3912651), (27, 2898260), (29, 2698380), (30, 2608434), (36, 2173695), (38, 2059290), (45, 1738956), (54, 1449130), (57, 1372860), (58, 1349190), (60, 1304217), (76, 1029645), (87, 899460), (90, 869478), (95, 823716), (108, 724565), (114, 686430), (116, 674595), (135, 579652), (145, 539676), (171, 457620), (174, 449730), (180, 434739), (190, 411858), (228, 343215), (261, 299820), (263, 297540), (270, 289826), (285, 274572), (290, 269838), (342, 228810), (348, 224865), (380, 205929), (435, 179892), (513, 152540), (522, 149910), (526, 148770), (540, 144913), (551, 142020), (570, 137286), (580, 134919), (684, 114405), (783, 99940), (789, 99180), (855, 91524), (870, 89946), (1026, 76270), (1044, 74955), (1052, 74385), (1102, 71010), (1140, 68643), (1305, 59964), (1315, 59508), (1566, 49970), (1578, 49590), (1653, 47340), (1710, 45762), (1740, 44973), (2052, 38135), (2204, 35505), (2367, 33060), (2565, 30508), (2610, 29982), (2630, 29754), (2755, 28404), (3132, 24985), (3156, 24795), (3306, 23670), (3420, 22881), (3915, 19988), (3945, 19836), (4734, 16530), (4959, 15780), (4997, 15660), (5130, 15254), (5220, 14991), (5260, 14877), (5510, 14202), (6612, 11835), (7101, 11020), (7627, 10260), (7830, 9994), (7890, 9918), (8265, 9468)]