18658800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 180

約数和(自身を含む): 66562704

約数和(自身を除く): 47903904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 71, 72, 73, 75, 80, 90, 100, 120, 142, 144, 146, 150, 180, 200, 213, 219, 225, 240, 284, 292, 300, 355, 360, 365, 400, 426, 438, 450, 568, 584, 600, 639, 657, 710, 720, 730, 852, 876, 900, 1065, 1095, 1136, 1168, 1200, 1278, 1314, 1420, 1460, 1704, 1752, 1775, 1800, 1825, 2130, 2190, 2556, 2628, 2840, 2920, 3195, 3285, 3408, 3504, 3550, 3600, 3650, 4260, 4380, 5112, 5183, 5256, 5325, 5475, 5680, 5840, 6390, 6570, 7100, 7300, 8520, 8760, 10224, 10366, 10512, 10650, 10950, 12780, 13140, 14200, 14600, 15549, 15975, 16425, 17040, 17520, 20732, 21300, 21900, 25560, 25915, 26280, 28400, 29200, 31098, 31950, 32850, 41464, 42600, 43800, 46647, 51120, 51830, 52560, 62196, 63900, 65700, 77745, 82928, 85200, 87600, 93294, 103660, 124392, 127800, 129575, 131400, 155490, 186588, 207320, 233235, 248784, 255600, 259150, 262800, 310980, 373176, 388725, 414640, 466470, 518300, 621960, 746352, 777450, 932940, 1036600, 1166175, 1243920, 1554900, 1865880, 2073200, 2332350, 3109800, 3731760, 4664700, 6219600, 9329400, 18658800]

約数ペア:

[(1, 18658800), (2, 9329400), (3, 6219600), (4, 4664700), (5, 3731760), (6, 3109800), (8, 2332350), (9, 2073200), (10, 1865880), (12, 1554900), (15, 1243920), (16, 1166175), (18, 1036600), (20, 932940), (24, 777450), (25, 746352), (30, 621960), (36, 518300), (40, 466470), (45, 414640), (48, 388725), (50, 373176), (60, 310980), (71, 262800), (72, 259150), (73, 255600), (75, 248784), (80, 233235), (90, 207320), (100, 186588), (120, 155490), (142, 131400), (144, 129575), (146, 127800), (150, 124392), (180, 103660), (200, 93294), (213, 87600), (219, 85200), (225, 82928), (240, 77745), (284, 65700), (292, 63900), (300, 62196), (355, 52560), (360, 51830), (365, 51120), (400, 46647), (426, 43800), (438, 42600), (450, 41464), (568, 32850), (584, 31950), (600, 31098), (639, 29200), (657, 28400), (710, 26280), (720, 25915), (730, 25560), (852, 21900), (876, 21300), (900, 20732), (1065, 17520), (1095, 17040), (1136, 16425), (1168, 15975), (1200, 15549), (1278, 14600), (1314, 14200), (1420, 13140), (1460, 12780), (1704, 10950), (1752, 10650), (1775, 10512), (1800, 10366), (1825, 10224), (2130, 8760), (2190, 8520), (2556, 7300), (2628, 7100), (2840, 6570), (2920, 6390), (3195, 5840), (3285, 5680), (3408, 5475), (3504, 5325), (3550, 5256), (3600, 5183), (3650, 5112), (4260, 4380)]