16645680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 56968080

約数和(自身を除く): 40322400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 379, 488, 549, 610, 720, 732, 758, 915, 976, 1098, 1137, 1220, 1464, 1516, 1830, 1895, 2196, 2274, 2440, 2745, 2928, 3032, 3411, 3660, 3790, 4392, 4548, 4880, 5490, 5685, 6064, 6822, 7320, 7580, 8784, 9096, 10980, 11370, 13644, 14640, 15160, 17055, 18192, 21960, 22740, 23119, 27288, 30320, 34110, 43920, 45480, 46238, 54576, 68220, 69357, 90960, 92476, 115595, 136440, 138714, 184952, 208071, 231190, 272880, 277428, 346785, 369904, 416142, 462380, 554856, 693570, 832284, 924760, 1040355, 1109712, 1387140, 1664568, 1849520, 2080710, 2774280, 3329136, 4161420, 5548560, 8322840, 16645680]

約数ペア:

[(1, 16645680), (2, 8322840), (3, 5548560), (4, 4161420), (5, 3329136), (6, 2774280), (8, 2080710), (9, 1849520), (10, 1664568), (12, 1387140), (15, 1109712), (16, 1040355), (18, 924760), (20, 832284), (24, 693570), (30, 554856), (36, 462380), (40, 416142), (45, 369904), (48, 346785), (60, 277428), (61, 272880), (72, 231190), (80, 208071), (90, 184952), (120, 138714), (122, 136440), (144, 115595), (180, 92476), (183, 90960), (240, 69357), (244, 68220), (305, 54576), (360, 46238), (366, 45480), (379, 43920), (488, 34110), (549, 30320), (610, 27288), (720, 23119), (732, 22740), (758, 21960), (915, 18192), (976, 17055), (1098, 15160), (1137, 14640), (1220, 13644), (1464, 11370), (1516, 10980), (1830, 9096), (1895, 8784), (2196, 7580), (2274, 7320), (2440, 6822), (2745, 6064), (2928, 5685), (3032, 5490), (3411, 4880), (3660, 4548), (3790, 4392)]