161912160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:741

約数の個数: 144

約数和(自身を含む): 556068240

約数和(自身を除く): 394156080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 229, 240, 288, 360, 458, 480, 491, 687, 720, 916, 982, 1145, 1374, 1440, 1473, 1832, 1964, 2061, 2290, 2455, 2748, 2946, 3435, 3664, 3928, 4122, 4419, 4580, 4910, 5496, 5892, 6870, 7328, 7365, 7856, 8244, 8838, 9160, 9820, 10305, 10992, 11784, 13740, 14730, 15712, 16488, 17676, 18320, 19640, 20610, 21984, 22095, 23568, 27480, 29460, 32976, 35352, 36640, 39280, 41220, 44190, 47136, 54960, 58920, 65952, 70704, 78560, 82440, 88380, 109920, 112439, 117840, 141408, 164880, 176760, 224878, 235680, 329760, 337317, 353520, 449756, 562195, 674634, 707040, 899512, 1011951, 1124390, 1349268, 1686585, 1799024, 2023902, 2248780, 2698536, 3373170, 3598048, 4047804, 4497560, 5059755, 5397072, 6746340, 8095608, 8995120, 10119510, 10794144, 13492680, 16191216, 17990240, 20239020, 26985360, 32382432, 40478040, 53970720, 80956080, 161912160]

約数ペア:

[(1, 161912160), (2, 80956080), (3, 53970720), (4, 40478040), (5, 32382432), (6, 26985360), (8, 20239020), (9, 17990240), (10, 16191216), (12, 13492680), (15, 10794144), (16, 10119510), (18, 8995120), (20, 8095608), (24, 6746340), (30, 5397072), (32, 5059755), (36, 4497560), (40, 4047804), (45, 3598048), (48, 3373170), (60, 2698536), (72, 2248780), (80, 2023902), (90, 1799024), (96, 1686585), (120, 1349268), (144, 1124390), (160, 1011951), (180, 899512), (229, 707040), (240, 674634), (288, 562195), (360, 449756), (458, 353520), (480, 337317), (491, 329760), (687, 235680), (720, 224878), (916, 176760), (982, 164880), (1145, 141408), (1374, 117840), (1440, 112439), (1473, 109920), (1832, 88380), (1964, 82440), (2061, 78560), (2290, 70704), (2455, 65952), (2748, 58920), (2946, 54960), (3435, 47136), (3664, 44190), (3928, 41220), (4122, 39280), (4419, 36640), (4580, 35352), (4910, 32976), (5496, 29460), (5892, 27480), (6870, 23568), (7328, 22095), (7365, 21984), (7856, 20610), (8244, 19640), (8838, 18320), (9160, 17676), (9820, 16488), (10305, 15712), (10992, 14730), (11784, 13740)]