25781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 86780160

約数和(自身を除く): 60998640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 71, 80, 85, 89, 102, 120, 136, 142, 170, 178, 204, 213, 240, 255, 267, 272, 284, 340, 355, 356, 408, 426, 445, 510, 534, 568, 680, 710, 712, 816, 852, 890, 1020, 1065, 1068, 1136, 1207, 1335, 1360, 1420, 1424, 1513, 1704, 1780, 2040, 2130, 2136, 2414, 2670, 2840, 3026, 3408, 3560, 3621, 4080, 4260, 4272, 4539, 4828, 5340, 5680, 6035, 6052, 6319, 7120, 7242, 7565, 8520, 9078, 9656, 10680, 12070, 12104, 12638, 14484, 15130, 17040, 18105, 18156, 18957, 19312, 21360, 22695, 24140, 24208, 25276, 28968, 30260, 31595, 36210, 36312, 37914, 45390, 48280, 50552, 57936, 60520, 63190, 72420, 72624, 75828, 90780, 94785, 96560, 101104, 107423, 121040, 126380, 144840, 151656, 181560, 189570, 214846, 252760, 289680, 303312, 322269, 363120, 379140, 429692, 505520, 537115, 644538, 758280, 859384, 1074230, 1289076, 1516560, 1611345, 1718768, 2148460, 2578152, 3222690, 4296920, 5156304, 6445380, 8593840, 12890760, 25781520]

約数ペア:

[(1, 25781520), (2, 12890760), (3, 8593840), (4, 6445380), (5, 5156304), (6, 4296920), (8, 3222690), (10, 2578152), (12, 2148460), (15, 1718768), (16, 1611345), (17, 1516560), (20, 1289076), (24, 1074230), (30, 859384), (34, 758280), (40, 644538), (48, 537115), (51, 505520), (60, 429692), (68, 379140), (71, 363120), (80, 322269), (85, 303312), (89, 289680), (102, 252760), (120, 214846), (136, 189570), (142, 181560), (170, 151656), (178, 144840), (204, 126380), (213, 121040), (240, 107423), (255, 101104), (267, 96560), (272, 94785), (284, 90780), (340, 75828), (355, 72624), (356, 72420), (408, 63190), (426, 60520), (445, 57936), (510, 50552), (534, 48280), (568, 45390), (680, 37914), (710, 36312), (712, 36210), (816, 31595), (852, 30260), (890, 28968), (1020, 25276), (1065, 24208), (1068, 24140), (1136, 22695), (1207, 21360), (1335, 19312), (1360, 18957), (1420, 18156), (1424, 18105), (1513, 17040), (1704, 15130), (1780, 14484), (2040, 12638), (2130, 12104), (2136, 12070), (2414, 10680), (2670, 9656), (2840, 9078), (3026, 8520), (3408, 7565), (3560, 7242), (3621, 7120), (4080, 6319), (4260, 6052), (4272, 6035), (4539, 5680), (4828, 5340)]