127777920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1174

約数の個数: 128

約数和(自身を含む): 414348480

約数和(自身を除く): 286570560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 305, 320, 366, 384, 480, 488, 610, 640, 732, 915, 960, 976, 1091, 1220, 1464, 1830, 1920, 1952, 2182, 2440, 2928, 3273, 3660, 3904, 4364, 4880, 5455, 5856, 6546, 7320, 7808, 8728, 9760, 10910, 11712, 13092, 14640, 16365, 17456, 19520, 21820, 23424, 26184, 29280, 32730, 34912, 39040, 43640, 52368, 58560, 65460, 66551, 69824, 87280, 104736, 117120, 130920, 133102, 139648, 174560, 199653, 209472, 261840, 266204, 332755, 349120, 399306, 418944, 523680, 532408, 665510, 698240, 798612, 998265, 1047360, 1064816, 1331020, 1597224, 1996530, 2094720, 2129632, 2662040, 3194448, 3993060, 4259264, 5324080, 6388896, 7986120, 8518528, 10648160, 12777792, 15972240, 21296320, 25555584, 31944480, 42592640, 63888960, 127777920]

約数ペア:

[(1, 127777920), (2, 63888960), (3, 42592640), (4, 31944480), (5, 25555584), (6, 21296320), (8, 15972240), (10, 12777792), (12, 10648160), (15, 8518528), (16, 7986120), (20, 6388896), (24, 5324080), (30, 4259264), (32, 3993060), (40, 3194448), (48, 2662040), (60, 2129632), (61, 2094720), (64, 1996530), (80, 1597224), (96, 1331020), (120, 1064816), (122, 1047360), (128, 998265), (160, 798612), (183, 698240), (192, 665510), (240, 532408), (244, 523680), (305, 418944), (320, 399306), (366, 349120), (384, 332755), (480, 266204), (488, 261840), (610, 209472), (640, 199653), (732, 174560), (915, 139648), (960, 133102), (976, 130920), (1091, 117120), (1220, 104736), (1464, 87280), (1830, 69824), (1920, 66551), (1952, 65460), (2182, 58560), (2440, 52368), (2928, 43640), (3273, 39040), (3660, 34912), (3904, 32730), (4364, 29280), (4880, 26184), (5455, 23424), (5856, 21820), (6546, 19520), (7320, 17456), (7808, 16365), (8728, 14640), (9760, 13092), (10910, 11712)]