261663360

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19469}}^1$

素因数の和:19498

約数の個数: 128

約数和(自身を含む): 953251200

約数和(自身を除く): 691587840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19469, 38938, 58407, 77876, 97345, 116814, 136283, 155752, 194690, 233628, 272566, 292035, 311504, 389380, 408849, 467256, 545132, 584070, 623008, 681415, 778760, 817698, 934512, 1090264, 1168140, 1246016, 1362830, 1557520, 1635396, 1869024, 2044245, 2180528, 2336280, 2492032, 2725660, 3115040, 3270792, 3738048, 4088490, 4361056, 4672560, 5451320, 6230080, 6541584, 7476096, 8176980, 8722112, 9345120, 10902640, 12460160, 13083168, 16353960, 17444224, 18690240, 21805280, 26166336, 32707920, 37380480, 43610560, 52332672, 65415840, 87221120, 130831680, 261663360]

約数ペア:

[(1, 261663360), (2, 130831680), (3, 87221120), (4, 65415840), (5, 52332672), (6, 43610560), (7, 37380480), (8, 32707920), (10, 26166336), (12, 21805280), (14, 18690240), (15, 17444224), (16, 16353960), (20, 13083168), (21, 12460160), (24, 10902640), (28, 9345120), (30, 8722112), (32, 8176980), (35, 7476096), (40, 6541584), (42, 6230080), (48, 5451320), (56, 4672560), (60, 4361056), (64, 4088490), (70, 3738048), (80, 3270792), (84, 3115040), (96, 2725660), (105, 2492032), (112, 2336280), (120, 2180528), (128, 2044245), (140, 1869024), (160, 1635396), (168, 1557520), (192, 1362830), (210, 1246016), (224, 1168140), (240, 1090264), (280, 934512), (320, 817698), (336, 778760), (384, 681415), (420, 623008), (448, 584070), (480, 545132), (560, 467256), (640, 408849), (672, 389380), (840, 311504), (896, 292035), (960, 272566), (1120, 233628), (1344, 194690), (1680, 155752), (1920, 136283), (2240, 116814), (2688, 97345), (3360, 77876), (4480, 58407), (6720, 38938), (13440, 19469)]