72439040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3329}}^1$

素因数の和:3367

約数の個数: 72

約数和(自身を含む): 183776040

約数和(自身を除く): 111337000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3329, 4352, 5440, 6658, 10880, 13316, 16645, 21760, 26632, 33290, 53264, 56593, 66580, 106528, 113186, 133160, 213056, 226372, 266320, 282965, 426112, 452744, 532640, 565930, 852224, 905488, 1065280, 1131860, 1810976, 2130560, 2263720, 3621952, 4261120, 4527440, 7243904, 9054880, 14487808, 18109760, 36219520, 72439040]

約数ペア:

[(1, 72439040), (2, 36219520), (4, 18109760), (5, 14487808), (8, 9054880), (10, 7243904), (16, 4527440), (17, 4261120), (20, 3621952), (32, 2263720), (34, 2130560), (40, 1810976), (64, 1131860), (68, 1065280), (80, 905488), (85, 852224), (128, 565930), (136, 532640), (160, 452744), (170, 426112), (256, 282965), (272, 266320), (320, 226372), (340, 213056), (544, 133160), (640, 113186), (680, 106528), (1088, 66580), (1280, 56593), (1360, 53264), (2176, 33290), (2720, 26632), (3329, 21760), (4352, 16645), (5440, 13316), (6658, 10880)]