64282240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 175374720

約数和(自身を除く): 111092480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 397, 440, 460, 506, 640, 704, 736, 794, 880, 920, 1012, 1265, 1408, 1472, 1588, 1760, 1840, 1985, 2024, 2530, 2944, 3176, 3520, 3680, 3970, 4048, 4367, 5060, 6352, 7040, 7360, 7940, 8096, 8734, 9131, 10120, 12704, 14720, 15880, 16192, 17468, 18262, 20240, 21835, 25408, 31760, 32384, 34936, 36524, 40480, 43670, 45655, 50816, 63520, 69872, 73048, 80960, 87340, 91310, 100441, 127040, 139744, 146096, 161920, 174680, 182620, 200882, 254080, 279488, 292192, 349360, 365240, 401764, 502205, 558976, 584384, 698720, 730480, 803528, 1004410, 1168768, 1397440, 1460960, 1607056, 2008820, 2794880, 2921920, 3214112, 4017640, 5843840, 6428224, 8035280, 12856448, 16070560, 32141120, 64282240]

約数ペア:

[(1, 64282240), (2, 32141120), (4, 16070560), (5, 12856448), (8, 8035280), (10, 6428224), (11, 5843840), (16, 4017640), (20, 3214112), (22, 2921920), (23, 2794880), (32, 2008820), (40, 1607056), (44, 1460960), (46, 1397440), (55, 1168768), (64, 1004410), (80, 803528), (88, 730480), (92, 698720), (110, 584384), (115, 558976), (128, 502205), (160, 401764), (176, 365240), (184, 349360), (220, 292192), (230, 279488), (253, 254080), (320, 200882), (352, 182620), (368, 174680), (397, 161920), (440, 146096), (460, 139744), (506, 127040), (640, 100441), (704, 91310), (736, 87340), (794, 80960), (880, 73048), (920, 69872), (1012, 63520), (1265, 50816), (1408, 45655), (1472, 43670), (1588, 40480), (1760, 36524), (1840, 34936), (1985, 32384), (2024, 31760), (2530, 25408), (2944, 21835), (3176, 20240), (3520, 18262), (3680, 17468), (3970, 16192), (4048, 15880), (4367, 14720), (5060, 12704), (6352, 10120), (7040, 9131), (7360, 8734), (7940, 8096)]