17982800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 48618912

約数和(自身を除く): 30636112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 61, 67, 80, 88, 100, 110, 122, 134, 176, 200, 220, 244, 268, 275, 305, 335, 400, 440, 488, 536, 550, 610, 670, 671, 737, 880, 976, 1072, 1100, 1220, 1340, 1342, 1474, 1525, 1675, 2200, 2440, 2680, 2684, 2948, 3050, 3350, 3355, 3685, 4087, 4400, 4880, 5360, 5368, 5896, 6100, 6700, 6710, 7370, 8174, 10736, 11792, 12200, 13400, 13420, 14740, 16348, 16775, 18425, 20435, 24400, 26800, 26840, 29480, 32696, 33550, 36850, 40870, 44957, 53680, 58960, 65392, 67100, 73700, 81740, 89914, 102175, 134200, 147400, 163480, 179828, 204350, 224785, 268400, 294800, 326960, 359656, 408700, 449570, 719312, 817400, 899140, 1123925, 1634800, 1798280, 2247850, 3596560, 4495700, 8991400, 17982800]

約数ペア:

[(1, 17982800), (2, 8991400), (4, 4495700), (5, 3596560), (8, 2247850), (10, 1798280), (11, 1634800), (16, 1123925), (20, 899140), (22, 817400), (25, 719312), (40, 449570), (44, 408700), (50, 359656), (55, 326960), (61, 294800), (67, 268400), (80, 224785), (88, 204350), (100, 179828), (110, 163480), (122, 147400), (134, 134200), (176, 102175), (200, 89914), (220, 81740), (244, 73700), (268, 67100), (275, 65392), (305, 58960), (335, 53680), (400, 44957), (440, 40870), (488, 36850), (536, 33550), (550, 32696), (610, 29480), (670, 26840), (671, 26800), (737, 24400), (880, 20435), (976, 18425), (1072, 16775), (1100, 16348), (1220, 14740), (1340, 13420), (1342, 13400), (1474, 12200), (1525, 11792), (1675, 10736), (2200, 8174), (2440, 7370), (2680, 6710), (2684, 6700), (2948, 6100), (3050, 5896), (3350, 5368), (3355, 5360), (3685, 4880), (4087, 4400)]