77891280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1123}}^1$

素因数の和:1173

約数の個数: 120

約数和(自身を含む): 256730592

約数和(自身を除く): 178839312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1123, 1156, 1360, 1445, 1734, 2040, 2246, 2312, 2890, 3369, 3468, 4080, 4335, 4492, 4624, 5615, 5780, 6738, 6936, 8670, 8984, 11230, 11560, 13476, 13872, 16845, 17340, 17968, 19091, 22460, 23120, 26952, 33690, 34680, 38182, 44920, 53904, 57273, 67380, 69360, 76364, 89840, 95455, 114546, 134760, 152728, 190910, 229092, 269520, 286365, 305456, 324547, 381820, 458184, 572730, 649094, 763640, 916368, 973641, 1145460, 1298188, 1527280, 1622735, 1947282, 2290920, 2596376, 3245470, 3894564, 4581840, 4868205, 5192752, 6490940, 7789128, 9736410, 12981880, 15578256, 19472820, 25963760, 38945640, 77891280]

約数ペア:

[(1, 77891280), (2, 38945640), (3, 25963760), (4, 19472820), (5, 15578256), (6, 12981880), (8, 9736410), (10, 7789128), (12, 6490940), (15, 5192752), (16, 4868205), (17, 4581840), (20, 3894564), (24, 3245470), (30, 2596376), (34, 2290920), (40, 1947282), (48, 1622735), (51, 1527280), (60, 1298188), (68, 1145460), (80, 973641), (85, 916368), (102, 763640), (120, 649094), (136, 572730), (170, 458184), (204, 381820), (240, 324547), (255, 305456), (272, 286365), (289, 269520), (340, 229092), (408, 190910), (510, 152728), (578, 134760), (680, 114546), (816, 95455), (867, 89840), (1020, 76364), (1123, 69360), (1156, 67380), (1360, 57273), (1445, 53904), (1734, 44920), (2040, 38182), (2246, 34680), (2312, 33690), (2890, 26952), (3369, 23120), (3468, 22460), (4080, 19091), (4335, 17968), (4492, 17340), (4624, 16845), (5615, 13872), (5780, 13476), (6738, 11560), (6936, 11230), (8670, 8984)]