646712880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12893}}^1$

素因数の和:12939

約数の個数: 160

約数和(自身を含む): 2302352640

約数和(自身を除く): 1655639760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 570, 627, 660, 760, 836, 880, 912, 1045, 1140, 1254, 1320, 1520, 1672, 2090, 2280, 2508, 2640, 3135, 3344, 4180, 4560, 5016, 6270, 8360, 10032, 12540, 12893, 16720, 25080, 25786, 38679, 50160, 51572, 64465, 77358, 103144, 128930, 141823, 154716, 193395, 206288, 244967, 257860, 283646, 309432, 386790, 425469, 489934, 515720, 567292, 618864, 709115, 734901, 773580, 850938, 979868, 1031440, 1134584, 1224835, 1418230, 1469802, 1547160, 1701876, 1959736, 2127345, 2269168, 2449670, 2694637, 2836460, 2939604, 3094320, 3403752, 3674505, 3919472, 4254690, 4899340, 5389274, 5672920, 5879208, 6807504, 7349010, 8083911, 8509380, 9798680, 10778548, 11345840, 11758416, 13473185, 14698020, 16167822, 17018760, 19597360, 21557096, 26946370, 29396040, 32335644, 34037520, 40419555, 43114192, 53892740, 58792080, 64671288, 80839110, 107785480, 129342576, 161678220, 215570960, 323356440, 646712880]

約数ペア:

[(1, 646712880), (2, 323356440), (3, 215570960), (4, 161678220), (5, 129342576), (6, 107785480), (8, 80839110), (10, 64671288), (11, 58792080), (12, 53892740), (15, 43114192), (16, 40419555), (19, 34037520), (20, 32335644), (22, 29396040), (24, 26946370), (30, 21557096), (33, 19597360), (38, 17018760), (40, 16167822), (44, 14698020), (48, 13473185), (55, 11758416), (57, 11345840), (60, 10778548), (66, 9798680), (76, 8509380), (80, 8083911), (88, 7349010), (95, 6807504), (110, 5879208), (114, 5672920), (120, 5389274), (132, 4899340), (152, 4254690), (165, 3919472), (176, 3674505), (190, 3403752), (209, 3094320), (220, 2939604), (228, 2836460), (240, 2694637), (264, 2449670), (285, 2269168), (304, 2127345), (330, 1959736), (380, 1701876), (418, 1547160), (440, 1469802), (456, 1418230), (528, 1224835), (570, 1134584), (627, 1031440), (660, 979868), (760, 850938), (836, 773580), (880, 734901), (912, 709115), (1045, 618864), (1140, 567292), (1254, 515720), (1320, 489934), (1520, 425469), (1672, 386790), (2090, 309432), (2280, 283646), (2508, 257860), (2640, 244967), (3135, 206288), (3344, 193395), (4180, 154716), (4560, 141823), (5016, 128930), (6270, 103144), (8360, 77358), (10032, 64465), (12540, 51572), (12893, 50160), (16720, 38679), (25080, 25786)]