321008640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{20899}}^1$

素因数の和:20927

約数の個数: 88

約数和(自身を含む): 1026775200

約数和(自身を除く): 705766560

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 20899, 41798, 62697, 83596, 104495, 125394, 167192, 208990, 250788, 313485, 334384, 417980, 501576, 626970, 668768, 835960, 1003152, 1253940, 1337536, 1671920, 2006304, 2507880, 2675072, 3343840, 4012608, 5015760, 5350144, 6687680, 8025216, 10031520, 10700288, 13375360, 16050432, 20063040, 21400576, 26750720, 32100864, 40126080, 53501440, 64201728, 80252160, 107002880, 160504320, 321008640]

約数ペア:

[(1, 321008640), (2, 160504320), (3, 107002880), (4, 80252160), (5, 64201728), (6, 53501440), (8, 40126080), (10, 32100864), (12, 26750720), (15, 21400576), (16, 20063040), (20, 16050432), (24, 13375360), (30, 10700288), (32, 10031520), (40, 8025216), (48, 6687680), (60, 5350144), (64, 5015760), (80, 4012608), (96, 3343840), (120, 2675072), (128, 2507880), (160, 2006304), (192, 1671920), (240, 1337536), (256, 1253940), (320, 1003152), (384, 835960), (480, 668768), (512, 626970), (640, 501576), (768, 417980), (960, 334384), (1024, 313485), (1280, 250788), (1536, 208990), (1920, 167192), (2560, 125394), (3072, 104495), (3840, 83596), (5120, 62697), (7680, 41798), (15360, 20899)]