440987040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23557}}^1$

素因数の和:23591

約数の個数: 144

約数和(自身を含む): 1620696168

約数和(自身を除く): 1179709128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 23557, 47114, 70671, 94228, 117785, 141342, 188456, 212013, 235570, 282684, 306241, 353355, 376912, 424026, 471140, 565368, 612482, 706710, 753824, 848052, 918723, 942280, 1060065, 1130736, 1224964, 1413420, 1531205, 1696104, 1837446, 1884560, 2120130, 2261472, 2449928, 2756169, 2826840, 3062410, 3392208, 3674892, 3769120, 4240260, 4593615, 4899856, 5512338, 5653680, 6124820, 6784416, 7349784, 8480520, 9187230, 9799712, 11024676, 11307360, 12249640, 13780845, 14699568, 16961040, 18374460, 22049352, 24499280, 27561690, 29399136, 33922080, 36748920, 44098704, 48998560, 55123380, 73497840, 88197408, 110246760, 146995680, 220493520, 440987040]

約数ペア:

[(1, 440987040), (2, 220493520), (3, 146995680), (4, 110246760), (5, 88197408), (6, 73497840), (8, 55123380), (9, 48998560), (10, 44098704), (12, 36748920), (13, 33922080), (15, 29399136), (16, 27561690), (18, 24499280), (20, 22049352), (24, 18374460), (26, 16961040), (30, 14699568), (32, 13780845), (36, 12249640), (39, 11307360), (40, 11024676), (45, 9799712), (48, 9187230), (52, 8480520), (60, 7349784), (65, 6784416), (72, 6124820), (78, 5653680), (80, 5512338), (90, 4899856), (96, 4593615), (104, 4240260), (117, 3769120), (120, 3674892), (130, 3392208), (144, 3062410), (156, 2826840), (160, 2756169), (180, 2449928), (195, 2261472), (208, 2120130), (234, 1884560), (240, 1837446), (260, 1696104), (288, 1531205), (312, 1413420), (360, 1224964), (390, 1130736), (416, 1060065), (468, 942280), (480, 918723), (520, 848052), (585, 753824), (624, 706710), (720, 612482), (780, 565368), (936, 471140), (1040, 424026), (1170, 376912), (1248, 353355), (1440, 306241), (1560, 282684), (1872, 235570), (2080, 212013), (2340, 188456), (3120, 141342), (3744, 117785), (4680, 94228), (6240, 70671), (9360, 47114), (18720, 23557)]