641978880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{83591}}^1$

素因数の和:83617

約数の個数: 80

約数和(自身を含む): 2052350784

約数和(自身を除く): 1410371904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 83591, 167182, 250773, 334364, 417955, 501546, 668728, 835910, 1003092, 1253865, 1337456, 1671820, 2006184, 2507730, 2674912, 3343640, 4012368, 5015460, 5349824, 6687280, 8024736, 10030920, 10699648, 13374560, 16049472, 20061840, 21399296, 26749120, 32098944, 40123680, 42798592, 53498240, 64197888, 80247360, 106996480, 128395776, 160494720, 213992960, 320989440, 641978880]

約数ペア:

[(1, 641978880), (2, 320989440), (3, 213992960), (4, 160494720), (5, 128395776), (6, 106996480), (8, 80247360), (10, 64197888), (12, 53498240), (15, 42798592), (16, 40123680), (20, 32098944), (24, 26749120), (30, 21399296), (32, 20061840), (40, 16049472), (48, 13374560), (60, 10699648), (64, 10030920), (80, 8024736), (96, 6687280), (120, 5349824), (128, 5015460), (160, 4012368), (192, 3343640), (240, 2674912), (256, 2507730), (320, 2006184), (384, 1671820), (480, 1337456), (512, 1253865), (640, 1003092), (768, 835910), (960, 668728), (1280, 501546), (1536, 417955), (1920, 334364), (2560, 250773), (3840, 167182), (7680, 83591)]