420368640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{109471}}^1$

素因数の和:109495

約数の個数: 72

約数和(自身を含む): 1342564608

約数和(自身を除く): 922195968

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, 640, 768, 960, 1280, 1920, 3840, 109471, 218942, 328413, 437884, 547355, 656826, 875768, 1094710, 1313652, 1642065, 1751536, 2189420, 2627304, 3284130, 3503072, 4378840, 5254608, 6568260, 7006144, 8757680, 10509216, 13136520, 14012288, 17515360, 21018432, 26273040, 28024576, 35030720, 42036864, 52546080, 70061440, 84073728, 105092160, 140122880, 210184320, 420368640]

約数ペア:

[(1, 420368640), (2, 210184320), (3, 140122880), (4, 105092160), (5, 84073728), (6, 70061440), (8, 52546080), (10, 42036864), (12, 35030720), (15, 28024576), (16, 26273040), (20, 21018432), (24, 17515360), (30, 14012288), (32, 13136520), (40, 10509216), (48, 8757680), (60, 7006144), (64, 6568260), (80, 5254608), (96, 4378840), (120, 3503072), (128, 3284130), (160, 2627304), (192, 2189420), (240, 1751536), (256, 1642065), (320, 1313652), (384, 1094710), (480, 875768), (640, 656826), (768, 547355), (960, 437884), (1280, 328413), (1920, 218942), (3840, 109471)]