78210900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 255192000

約数和(自身を除く): 176981100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 83, 90, 100, 108, 135, 150, 166, 180, 225, 249, 270, 300, 332, 349, 415, 450, 498, 540, 675, 698, 747, 830, 900, 996, 1047, 1245, 1350, 1396, 1494, 1660, 1745, 2075, 2094, 2241, 2490, 2700, 2988, 3141, 3490, 3735, 4150, 4188, 4482, 4980, 5235, 6225, 6282, 6980, 7470, 8300, 8725, 8964, 9423, 10470, 11205, 12450, 12564, 14940, 15705, 17450, 18675, 18846, 20940, 22410, 24900, 26175, 28967, 31410, 34900, 37350, 37692, 44820, 47115, 52350, 56025, 57934, 62820, 74700, 78525, 86901, 94230, 104700, 112050, 115868, 144835, 157050, 173802, 188460, 224100, 235575, 260703, 289670, 314100, 347604, 434505, 471150, 521406, 579340, 724175, 782109, 869010, 942300, 1042812, 1303515, 1448350, 1564218, 1738020, 2172525, 2607030, 2896700, 3128436, 3910545, 4345050, 5214060, 6517575, 7821090, 8690100, 13035150, 15642180, 19552725, 26070300, 39105450, 78210900]

約数ペア:

[(1, 78210900), (2, 39105450), (3, 26070300), (4, 19552725), (5, 15642180), (6, 13035150), (9, 8690100), (10, 7821090), (12, 6517575), (15, 5214060), (18, 4345050), (20, 3910545), (25, 3128436), (27, 2896700), (30, 2607030), (36, 2172525), (45, 1738020), (50, 1564218), (54, 1448350), (60, 1303515), (75, 1042812), (83, 942300), (90, 869010), (100, 782109), (108, 724175), (135, 579340), (150, 521406), (166, 471150), (180, 434505), (225, 347604), (249, 314100), (270, 289670), (300, 260703), (332, 235575), (349, 224100), (415, 188460), (450, 173802), (498, 157050), (540, 144835), (675, 115868), (698, 112050), (747, 104700), (830, 94230), (900, 86901), (996, 78525), (1047, 74700), (1245, 62820), (1350, 57934), (1396, 56025), (1494, 52350), (1660, 47115), (1745, 44820), (2075, 37692), (2094, 37350), (2241, 34900), (2490, 31410), (2700, 28967), (2988, 26175), (3141, 24900), (3490, 22410), (3735, 20940), (4150, 18846), (4188, 18675), (4482, 17450), (4980, 15705), (5235, 14940), (6225, 12564), (6282, 12450), (6980, 11205), (7470, 10470), (8300, 9423), (8725, 8964)]