78812000

素因数分解:

$2^5\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 219360960

約数和(自身を除く): 140548960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 61, 68, 76, 80, 85, 95, 100, 122, 125, 136, 152, 160, 170, 190, 200, 244, 250, 272, 304, 305, 323, 340, 380, 400, 425, 475, 488, 500, 544, 608, 610, 646, 680, 760, 800, 850, 950, 976, 1000, 1037, 1159, 1220, 1292, 1360, 1520, 1525, 1615, 1700, 1900, 1952, 2000, 2074, 2125, 2318, 2375, 2440, 2584, 2720, 3040, 3050, 3230, 3400, 3800, 4000, 4148, 4250, 4636, 4750, 4880, 5168, 5185, 5795, 6100, 6460, 6800, 7600, 7625, 8075, 8296, 8500, 9272, 9500, 9760, 10336, 10370, 11590, 12200, 12920, 13600, 15200, 15250, 16150, 16592, 17000, 18544, 19000, 19703, 20740, 23180, 24400, 25840, 25925, 28975, 30500, 32300, 33184, 34000, 37088, 38000, 39406, 40375, 41480, 46360, 48800, 51680, 51850, 57950, 61000, 64600, 68000, 76000, 78812, 80750, 82960, 92720, 98515, 103700, 115900, 122000, 129200, 129625, 144875, 157624, 161500, 165920, 185440, 197030, 207400, 231800, 244000, 258400, 259250, 289750, 315248, 323000, 394060, 414800, 463600, 492575, 518500, 579500, 630496, 646000, 788120, 829600, 927200, 985150, 1037000, 1159000, 1292000, 1576240, 1970300, 2074000, 2318000, 2462875, 3152480, 3940600, 4148000, 4636000, 4925750, 7881200, 9851500, 15762400, 19703000, 39406000, 78812000]

約数ペア:

[(1, 78812000), (2, 39406000), (4, 19703000), (5, 15762400), (8, 9851500), (10, 7881200), (16, 4925750), (17, 4636000), (19, 4148000), (20, 3940600), (25, 3152480), (32, 2462875), (34, 2318000), (38, 2074000), (40, 1970300), (50, 1576240), (61, 1292000), (68, 1159000), (76, 1037000), (80, 985150), (85, 927200), (95, 829600), (100, 788120), (122, 646000), (125, 630496), (136, 579500), (152, 518500), (160, 492575), (170, 463600), (190, 414800), (200, 394060), (244, 323000), (250, 315248), (272, 289750), (304, 259250), (305, 258400), (323, 244000), (340, 231800), (380, 207400), (400, 197030), (425, 185440), (475, 165920), (488, 161500), (500, 157624), (544, 144875), (608, 129625), (610, 129200), (646, 122000), (680, 115900), (760, 103700), (800, 98515), (850, 92720), (950, 82960), (976, 80750), (1000, 78812), (1037, 76000), (1159, 68000), (1220, 64600), (1292, 61000), (1360, 57950), (1520, 51850), (1525, 51680), (1615, 48800), (1700, 46360), (1900, 41480), (1952, 40375), (2000, 39406), (2074, 38000), (2125, 37088), (2318, 34000), (2375, 33184), (2440, 32300), (2584, 30500), (2720, 28975), (3040, 25925), (3050, 25840), (3230, 24400), (3400, 23180), (3800, 20740), (4000, 19703), (4148, 19000), (4250, 18544), (4636, 17000), (4750, 16592), (4880, 16150), (5168, 15250), (5185, 15200), (5795, 13600), (6100, 12920), (6460, 12200), (6800, 11590), (7600, 10370), (7625, 10336), (8075, 9760), (8296, 9500), (8500, 9272)]