1813040640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{78691}}^1$

素因数の和:78720

約数の個数: 120

約数和(自身を含む): 6279149448

約数和(自身を除く): 4466108808

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 78691, 157382, 236073, 314764, 393455, 472146, 629528, 708219, 786910, 944292, 1180365, 1259056, 1416438, 1573820, 1888584, 2360730, 2518112, 2832876, 3147640, 3541095, 3777168, 4721460, 5036224, 5665752, 6295280, 7082190, 7554336, 9442920, 10072448, 11331504, 12590560, 14164380, 15108672, 18885840, 20144896, 22663008, 25181120, 28328760, 30217344, 37771680, 40289792, 45326016, 50362240, 56657520, 60434688, 75543360, 90652032, 100724480, 113315040, 120869376, 151086720, 181304064, 201448960, 226630080, 302173440, 362608128, 453260160, 604346880, 906520320, 1813040640]

約数ペア:

[(1, 1813040640), (2, 906520320), (3, 604346880), (4, 453260160), (5, 362608128), (6, 302173440), (8, 226630080), (9, 201448960), (10, 181304064), (12, 151086720), (15, 120869376), (16, 113315040), (18, 100724480), (20, 90652032), (24, 75543360), (30, 60434688), (32, 56657520), (36, 50362240), (40, 45326016), (45, 40289792), (48, 37771680), (60, 30217344), (64, 28328760), (72, 25181120), (80, 22663008), (90, 20144896), (96, 18885840), (120, 15108672), (128, 14164380), (144, 12590560), (160, 11331504), (180, 10072448), (192, 9442920), (240, 7554336), (256, 7082190), (288, 6295280), (320, 5665752), (360, 5036224), (384, 4721460), (480, 3777168), (512, 3541095), (576, 3147640), (640, 2832876), (720, 2518112), (768, 2360730), (960, 1888584), (1152, 1573820), (1280, 1416438), (1440, 1259056), (1536, 1180365), (1920, 944292), (2304, 786910), (2560, 708219), (2880, 629528), (3840, 472146), (4608, 393455), (5760, 314764), (7680, 236073), (11520, 157382), (23040, 78691)]