21287628480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1304389}}^1$

素因数の和:1304426

約数の個数: 112

約数和(自身を含む): 71564052960

約数和(自身を除く): 50276424480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 1304389, 2608778, 3913167, 5217556, 6521945, 7826334, 10435112, 13043890, 15652668, 19565835, 20870224, 22174613, 26087780, 31305336, 39131670, 41740448, 44349226, 52175560, 62610672, 66523839, 78263340, 83480896, 88698452, 104351120, 110873065, 125221344, 133047678, 156526680, 177396904, 208702240, 221746130, 250442688, 266095356, 313053360, 332619195, 354793808, 417404480, 443492260, 532190712, 626106720, 665238390, 709587616, 886984520, 1064381424, 1252213440, 1330476780, 1419175232, 1773969040, 2128762848, 2660953560, 3547938080, 4257525696, 5321907120, 7095876160, 10643814240, 21287628480]

約数ペア:

[(1, 21287628480), (2, 10643814240), (3, 7095876160), (4, 5321907120), (5, 4257525696), (6, 3547938080), (8, 2660953560), (10, 2128762848), (12, 1773969040), (15, 1419175232), (16, 1330476780), (17, 1252213440), (20, 1064381424), (24, 886984520), (30, 709587616), (32, 665238390), (34, 626106720), (40, 532190712), (48, 443492260), (51, 417404480), (60, 354793808), (64, 332619195), (68, 313053360), (80, 266095356), (85, 250442688), (96, 221746130), (102, 208702240), (120, 177396904), (136, 156526680), (160, 133047678), (170, 125221344), (192, 110873065), (204, 104351120), (240, 88698452), (255, 83480896), (272, 78263340), (320, 66523839), (340, 62610672), (408, 52175560), (480, 44349226), (510, 41740448), (544, 39131670), (680, 31305336), (816, 26087780), (960, 22174613), (1020, 20870224), (1088, 19565835), (1360, 15652668), (1632, 13043890), (2040, 10435112), (2720, 7826334), (3264, 6521945), (4080, 5217556), (5440, 3913167), (8160, 2608778), (16320, 1304389)]