21085399680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{132313}}^1$

素因数の和:132418

約数の個数: 128

約数和(自身を含む): 68019981120

約数和(自身を除く): 46934581440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 320, 332, 384, 415, 480, 498, 640, 664, 830, 960, 996, 1245, 1328, 1660, 1920, 1992, 2490, 2656, 3320, 3984, 4980, 5312, 6640, 7968, 9960, 10624, 13280, 15936, 19920, 26560, 31872, 39840, 53120, 79680, 132313, 159360, 264626, 396939, 529252, 661565, 793878, 1058504, 1323130, 1587756, 1984695, 2117008, 2646260, 3175512, 3969390, 4234016, 5292520, 6351024, 7938780, 8468032, 10585040, 10981979, 12702048, 15877560, 16936064, 21170080, 21963958, 25404096, 31755120, 32945937, 42340160, 43927916, 50808192, 54909895, 63510240, 65891874, 84680320, 87855832, 109819790, 127020480, 131783748, 164729685, 175711664, 219639580, 254040960, 263567496, 329459370, 351423328, 439279160, 527134992, 658918740, 702846656, 878558320, 1054269984, 1317837480, 1405693312, 1757116640, 2108539968, 2635674960, 3514233280, 4217079936, 5271349920, 7028466560, 10542699840, 21085399680]

約数ペア:

[(1, 21085399680), (2, 10542699840), (3, 7028466560), (4, 5271349920), (5, 4217079936), (6, 3514233280), (8, 2635674960), (10, 2108539968), (12, 1757116640), (15, 1405693312), (16, 1317837480), (20, 1054269984), (24, 878558320), (30, 702846656), (32, 658918740), (40, 527134992), (48, 439279160), (60, 351423328), (64, 329459370), (80, 263567496), (83, 254040960), (96, 219639580), (120, 175711664), (128, 164729685), (160, 131783748), (166, 127020480), (192, 109819790), (240, 87855832), (249, 84680320), (320, 65891874), (332, 63510240), (384, 54909895), (415, 50808192), (480, 43927916), (498, 42340160), (640, 32945937), (664, 31755120), (830, 25404096), (960, 21963958), (996, 21170080), (1245, 16936064), (1328, 15877560), (1660, 12702048), (1920, 10981979), (1992, 10585040), (2490, 8468032), (2656, 7938780), (3320, 6351024), (3984, 5292520), (4980, 4234016), (5312, 3969390), (6640, 3175512), (7968, 2646260), (9960, 2117008), (10624, 1984695), (13280, 1587756), (15936, 1323130), (19920, 1058504), (26560, 793878), (31872, 661565), (39840, 529252), (53120, 396939), (79680, 264626), (132313, 159360)]