78280960

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2703

約数の個数: 72

約数和(自身を含む): 195733440

約数和(自身を除く): 117452480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2659, 2944, 3680, 5318, 5888, 7360, 10636, 13295, 14720, 21272, 26590, 29440, 42544, 53180, 61157, 85088, 106360, 122314, 170176, 212720, 244628, 305785, 340352, 425440, 489256, 611570, 680704, 850880, 978512, 1223140, 1701760, 1957024, 2446280, 3403520, 3914048, 4892560, 7828096, 9785120, 15656192, 19570240, 39140480, 78280960]

約数ペア:

[(1, 78280960), (2, 39140480), (4, 19570240), (5, 15656192), (8, 9785120), (10, 7828096), (16, 4892560), (20, 3914048), (23, 3403520), (32, 2446280), (40, 1957024), (46, 1701760), (64, 1223140), (80, 978512), (92, 850880), (115, 680704), (128, 611570), (160, 489256), (184, 425440), (230, 340352), (256, 305785), (320, 244628), (368, 212720), (460, 170176), (640, 122314), (736, 106360), (920, 85088), (1280, 61157), (1472, 53180), (1840, 42544), (2659, 29440), (2944, 26590), (3680, 21272), (5318, 14720), (5888, 13295), (7360, 10636)]