68811240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 221616000

約数和(自身を除く): 152804760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 120, 136, 170, 178, 204, 255, 267, 340, 356, 379, 408, 445, 510, 534, 680, 712, 758, 890, 1020, 1068, 1137, 1335, 1513, 1516, 1780, 1895, 2040, 2136, 2274, 2670, 3026, 3032, 3560, 3790, 4539, 4548, 5340, 5685, 6052, 6443, 7565, 7580, 9078, 9096, 10680, 11370, 12104, 12886, 15130, 15160, 18156, 19329, 22695, 22740, 25772, 30260, 32215, 33731, 36312, 38658, 45390, 45480, 51544, 60520, 64430, 67462, 77316, 90780, 96645, 101193, 128860, 134924, 154632, 168655, 181560, 193290, 202386, 257720, 269848, 337310, 386580, 404772, 505965, 573427, 674620, 773160, 809544, 1011930, 1146854, 1349240, 1720281, 2023860, 2293708, 2867135, 3440562, 4047720, 4587416, 5734270, 6881124, 8601405, 11468540, 13762248, 17202810, 22937080, 34405620, 68811240]

約数ペア:

[(1, 68811240), (2, 34405620), (3, 22937080), (4, 17202810), (5, 13762248), (6, 11468540), (8, 8601405), (10, 6881124), (12, 5734270), (15, 4587416), (17, 4047720), (20, 3440562), (24, 2867135), (30, 2293708), (34, 2023860), (40, 1720281), (51, 1349240), (60, 1146854), (68, 1011930), (85, 809544), (89, 773160), (102, 674620), (120, 573427), (136, 505965), (170, 404772), (178, 386580), (204, 337310), (255, 269848), (267, 257720), (340, 202386), (356, 193290), (379, 181560), (408, 168655), (445, 154632), (510, 134924), (534, 128860), (680, 101193), (712, 96645), (758, 90780), (890, 77316), (1020, 67462), (1068, 64430), (1137, 60520), (1335, 51544), (1513, 45480), (1516, 45390), (1780, 38658), (1895, 36312), (2040, 33731), (2136, 32215), (2274, 30260), (2670, 25772), (3026, 22740), (3032, 22695), (3560, 19329), (3790, 18156), (4539, 15160), (4548, 15130), (5340, 12886), (5685, 12104), (6052, 11370), (6443, 10680), (7565, 9096), (7580, 9078)]