68431920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 229152000

約数和(自身を除く): 160720080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 240, 258, 285, 304, 344, 349, 380, 430, 456, 516, 570, 645, 688, 698, 760, 817, 860, 912, 1032, 1047, 1140, 1290, 1396, 1520, 1634, 1720, 1745, 2064, 2094, 2280, 2451, 2580, 2792, 3268, 3440, 3490, 4085, 4188, 4560, 4902, 5160, 5235, 5584, 6536, 6631, 6980, 8170, 8376, 9804, 10320, 10470, 12255, 13072, 13262, 13960, 15007, 16340, 16752, 19608, 19893, 20940, 24510, 26524, 27920, 30014, 32680, 33155, 39216, 39786, 41880, 45021, 49020, 53048, 60028, 65360, 66310, 75035, 79572, 83760, 90042, 98040, 99465, 106096, 120056, 132620, 150070, 159144, 180084, 196080, 198930, 225105, 240112, 265240, 285133, 300140, 318288, 360168, 397860, 450210, 530480, 570266, 600280, 720336, 795720, 855399, 900420, 1140532, 1200560, 1425665, 1591440, 1710798, 1800840, 2281064, 2851330, 3421596, 3601680, 4276995, 4562128, 5702660, 6843192, 8553990, 11405320, 13686384, 17107980, 22810640, 34215960, 68431920]

約数ペア:

[(1, 68431920), (2, 34215960), (3, 22810640), (4, 17107980), (5, 13686384), (6, 11405320), (8, 8553990), (10, 6843192), (12, 5702660), (15, 4562128), (16, 4276995), (19, 3601680), (20, 3421596), (24, 2851330), (30, 2281064), (38, 1800840), (40, 1710798), (43, 1591440), (48, 1425665), (57, 1200560), (60, 1140532), (76, 900420), (80, 855399), (86, 795720), (95, 720336), (114, 600280), (120, 570266), (129, 530480), (152, 450210), (172, 397860), (190, 360168), (215, 318288), (228, 300140), (240, 285133), (258, 265240), (285, 240112), (304, 225105), (344, 198930), (349, 196080), (380, 180084), (430, 159144), (456, 150070), (516, 132620), (570, 120056), (645, 106096), (688, 99465), (698, 98040), (760, 90042), (817, 83760), (860, 79572), (912, 75035), (1032, 66310), (1047, 65360), (1140, 60028), (1290, 53048), (1396, 49020), (1520, 45021), (1634, 41880), (1720, 39786), (1745, 39216), (2064, 33155), (2094, 32680), (2280, 30014), (2451, 27920), (2580, 26524), (2792, 24510), (3268, 20940), (3440, 19893), (3490, 19608), (4085, 16752), (4188, 16340), (4560, 15007), (4902, 13960), (5160, 13262), (5235, 13072), (5584, 12255), (6536, 10470), (6631, 10320), (6980, 9804), (8170, 8376)]