205913520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16823}}^1$

素因数の和:16859

約数の個数: 120

約数和(自身を含む): 732247776

約数和(自身を除く): 526334256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 16823, 33646, 50469, 67292, 84115, 100938, 134584, 151407, 168230, 201876, 252345, 269168, 285991, 302814, 336460, 403752, 504690, 571982, 605628, 672920, 757035, 807504, 857973, 1009380, 1143964, 1211256, 1345840, 1429955, 1514070, 1715946, 2018760, 2287928, 2422512, 2573919, 2859910, 3028140, 3431892, 4037520, 4289865, 4575856, 5147838, 5719820, 6056280, 6863784, 8579730, 10295676, 11439640, 12112560, 12869595, 13727568, 17159460, 20591352, 22879280, 25739190, 34318920, 41182704, 51478380, 68637840, 102956760, 205913520]

約数ペア:

[(1, 205913520), (2, 102956760), (3, 68637840), (4, 51478380), (5, 41182704), (6, 34318920), (8, 25739190), (9, 22879280), (10, 20591352), (12, 17159460), (15, 13727568), (16, 12869595), (17, 12112560), (18, 11439640), (20, 10295676), (24, 8579730), (30, 6863784), (34, 6056280), (36, 5719820), (40, 5147838), (45, 4575856), (48, 4289865), (51, 4037520), (60, 3431892), (68, 3028140), (72, 2859910), (80, 2573919), (85, 2422512), (90, 2287928), (102, 2018760), (120, 1715946), (136, 1514070), (144, 1429955), (153, 1345840), (170, 1211256), (180, 1143964), (204, 1009380), (240, 857973), (255, 807504), (272, 757035), (306, 672920), (340, 605628), (360, 571982), (408, 504690), (510, 403752), (612, 336460), (680, 302814), (720, 285991), (765, 269168), (816, 252345), (1020, 201876), (1224, 168230), (1360, 151407), (1530, 134584), (2040, 100938), (2448, 84115), (3060, 67292), (4080, 50469), (6120, 33646), (12240, 16823)]