1306960000

素因数分解:

$2^7\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 240

約数和(自身を含む): 3559696470

約数和(自身を除く): 2252736470

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 125, 128, 136, 155, 160, 170, 200, 248, 250, 272, 310, 320, 340, 400, 425, 496, 500, 527, 544, 620, 625, 640, 680, 775, 800, 850, 961, 992, 1000, 1054, 1088, 1240, 1250, 1360, 1550, 1600, 1700, 1922, 1984, 2000, 2108, 2125, 2176, 2480, 2500, 2635, 2720, 3100, 3200, 3400, 3844, 3875, 3968, 4000, 4216, 4250, 4805, 4960, 5000, 5270, 5440, 6200, 6800, 7688, 7750, 8000, 8432, 8500, 9610, 9920, 10000, 10540, 10625, 10880, 12400, 13175, 13600, 15376, 15500, 16000, 16337, 16864, 17000, 19220, 19375, 19840, 20000, 21080, 21250, 24025, 24800, 26350, 27200, 30752, 31000, 32674, 33728, 34000, 38440, 38750, 40000, 42160, 42500, 48050, 49600, 52700, 54400, 61504, 62000, 65348, 65875, 67456, 68000, 76880, 77500, 80000, 81685, 84320, 85000, 96100, 99200, 105400, 120125, 123008, 124000, 130696, 131750, 136000, 153760, 155000, 163370, 168640, 170000, 192200, 210800, 240250, 248000, 261392, 263500, 272000, 307520, 310000, 326740, 329375, 337280, 340000, 384400, 408425, 421600, 480500, 496000, 522784, 527000, 600625, 615040, 620000, 653480, 658750, 680000, 768800, 816850, 843200, 961000, 1045568, 1054000, 1201250, 1240000, 1306960, 1317500, 1360000, 1537600, 1633700, 1686400, 1922000, 2042125, 2091136, 2108000, 2402500, 2480000, 2613920, 2635000, 3075200, 3267400, 3844000, 4084250, 4216000, 4805000, 5227840, 5270000, 6534800, 7688000, 8168500, 8432000, 9610000, 10210625, 10455680, 10540000, 13069600, 15376000, 16337000, 19220000, 20421250, 21080000, 26139200, 32674000, 38440000, 40842500, 42160000, 52278400, 65348000, 76880000, 81685000, 130696000, 163370000, 261392000, 326740000, 653480000, 1306960000]

約数ペア:

[(1, 1306960000), (2, 653480000), (4, 326740000), (5, 261392000), (8, 163370000), (10, 130696000), (16, 81685000), (17, 76880000), (20, 65348000), (25, 52278400), (31, 42160000), (32, 40842500), (34, 38440000), (40, 32674000), (50, 26139200), (62, 21080000), (64, 20421250), (68, 19220000), (80, 16337000), (85, 15376000), (100, 13069600), (124, 10540000), (125, 10455680), (128, 10210625), (136, 9610000), (155, 8432000), (160, 8168500), (170, 7688000), (200, 6534800), (248, 5270000), (250, 5227840), (272, 4805000), (310, 4216000), (320, 4084250), (340, 3844000), (400, 3267400), (425, 3075200), (496, 2635000), (500, 2613920), (527, 2480000), (544, 2402500), (620, 2108000), (625, 2091136), (640, 2042125), (680, 1922000), (775, 1686400), (800, 1633700), (850, 1537600), (961, 1360000), (992, 1317500), (1000, 1306960), (1054, 1240000), (1088, 1201250), (1240, 1054000), (1250, 1045568), (1360, 961000), (1550, 843200), (1600, 816850), (1700, 768800), (1922, 680000), (1984, 658750), (2000, 653480), (2108, 620000), (2125, 615040), (2176, 600625), (2480, 527000), (2500, 522784), (2635, 496000), (2720, 480500), (3100, 421600), (3200, 408425), (3400, 384400), (3844, 340000), (3875, 337280), (3968, 329375), (4000, 326740), (4216, 310000), (4250, 307520), (4805, 272000), (4960, 263500), (5000, 261392), (5270, 248000), (5440, 240250), (6200, 210800), (6800, 192200), (7688, 170000), (7750, 168640), (8000, 163370), (8432, 155000), (8500, 153760), (9610, 136000), (9920, 131750), (10000, 130696), (10540, 124000), (10625, 123008), (10880, 120125), (12400, 105400), (13175, 99200), (13600, 96100), (15376, 85000), (15500, 84320), (16000, 81685), (16337, 80000), (16864, 77500), (17000, 76880), (19220, 68000), (19375, 67456), (19840, 65875), (20000, 65348), (21080, 62000), (21250, 61504), (24025, 54400), (24800, 52700), (26350, 49600), (27200, 48050), (30752, 42500), (31000, 42160), (32674, 40000), (33728, 38750), (34000, 38440)]