21559200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:727

約数の個数: 144

約数和(自身を含む): 75682656

約数和(自身を除く): 54123456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 691, 780, 800, 975, 1040, 1200, 1248, 1300, 1382, 1560, 1950, 2073, 2080, 2400, 2600, 2764, 3120, 3455, 3900, 4146, 5200, 5528, 6240, 6910, 7800, 8292, 8983, 10365, 10400, 11056, 13820, 15600, 16584, 17275, 17966, 20730, 22112, 26949, 27640, 31200, 33168, 34550, 35932, 41460, 44915, 51825, 53898, 55280, 66336, 69100, 71864, 82920, 89830, 103650, 107796, 110560, 134745, 138200, 143728, 165840, 179660, 207300, 215592, 224575, 269490, 276400, 287456, 331680, 359320, 414600, 431184, 449150, 538980, 552800, 673725, 718640, 829200, 862368, 898300, 1077960, 1347450, 1437280, 1658400, 1796600, 2155920, 2694900, 3593200, 4311840, 5389800, 7186400, 10779600, 21559200]

約数ペア:

[(1, 21559200), (2, 10779600), (3, 7186400), (4, 5389800), (5, 4311840), (6, 3593200), (8, 2694900), (10, 2155920), (12, 1796600), (13, 1658400), (15, 1437280), (16, 1347450), (20, 1077960), (24, 898300), (25, 862368), (26, 829200), (30, 718640), (32, 673725), (39, 552800), (40, 538980), (48, 449150), (50, 431184), (52, 414600), (60, 359320), (65, 331680), (75, 287456), (78, 276400), (80, 269490), (96, 224575), (100, 215592), (104, 207300), (120, 179660), (130, 165840), (150, 143728), (156, 138200), (160, 134745), (195, 110560), (200, 107796), (208, 103650), (240, 89830), (260, 82920), (300, 71864), (312, 69100), (325, 66336), (390, 55280), (400, 53898), (416, 51825), (480, 44915), (520, 41460), (600, 35932), (624, 34550), (650, 33168), (691, 31200), (780, 27640), (800, 26949), (975, 22112), (1040, 20730), (1200, 17966), (1248, 17275), (1300, 16584), (1382, 15600), (1560, 13820), (1950, 11056), (2073, 10400), (2080, 10365), (2400, 8983), (2600, 8292), (2764, 7800), (3120, 6910), (3455, 6240), (3900, 5528), (4146, 5200)]