778684480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 168

約数和(自身を含む): 2200018968

約数和(自身を除く): 1421334488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 320, 371, 392, 424, 448, 490, 530, 560, 742, 784, 848, 937, 980, 1060, 1120, 1484, 1568, 1696, 1855, 1874, 1960, 2120, 2240, 2597, 2968, 3136, 3392, 3710, 3748, 3920, 4240, 4685, 5194, 5936, 6559, 7420, 7496, 7840, 8480, 9370, 10388, 11872, 12985, 13118, 14840, 14992, 15680, 16960, 18740, 20776, 23744, 25970, 26236, 29680, 29984, 32795, 37480, 41552, 45913, 49661, 51940, 52472, 59360, 59968, 65590, 74960, 83104, 91826, 99322, 103880, 104944, 118720, 131180, 149920, 166208, 183652, 198644, 207760, 209888, 229565, 248305, 262360, 299840, 347627, 367304, 397288, 415520, 419776, 459130, 496610, 524720, 695254, 734608, 794576, 831040, 918260, 993220, 1049440, 1390508, 1469216, 1589152, 1738135, 1836520, 1986440, 2098880, 2433389, 2781016, 2938432, 3178304, 3476270, 3673040, 3972880, 4866778, 5562032, 6952540, 7346080, 7945760, 9733556, 11124064, 12166945, 13905080, 14692160, 15891520, 19467112, 22248128, 24333890, 27810160, 38934224, 48667780, 55620320, 77868448, 97335560, 111240640, 155736896, 194671120, 389342240, 778684480]

約数ペア:

[(1, 778684480), (2, 389342240), (4, 194671120), (5, 155736896), (7, 111240640), (8, 97335560), (10, 77868448), (14, 55620320), (16, 48667780), (20, 38934224), (28, 27810160), (32, 24333890), (35, 22248128), (40, 19467112), (49, 15891520), (53, 14692160), (56, 13905080), (64, 12166945), (70, 11124064), (80, 9733556), (98, 7945760), (106, 7346080), (112, 6952540), (140, 5562032), (160, 4866778), (196, 3972880), (212, 3673040), (224, 3476270), (245, 3178304), (265, 2938432), (280, 2781016), (320, 2433389), (371, 2098880), (392, 1986440), (424, 1836520), (448, 1738135), (490, 1589152), (530, 1469216), (560, 1390508), (742, 1049440), (784, 993220), (848, 918260), (937, 831040), (980, 794576), (1060, 734608), (1120, 695254), (1484, 524720), (1568, 496610), (1696, 459130), (1855, 419776), (1874, 415520), (1960, 397288), (2120, 367304), (2240, 347627), (2597, 299840), (2968, 262360), (3136, 248305), (3392, 229565), (3710, 209888), (3748, 207760), (3920, 198644), (4240, 183652), (4685, 166208), (5194, 149920), (5936, 131180), (6559, 118720), (7420, 104944), (7496, 103880), (7840, 99322), (8480, 91826), (9370, 83104), (10388, 74960), (11872, 65590), (12985, 59968), (13118, 59360), (14840, 52472), (14992, 51940), (15680, 49661), (16960, 45913), (18740, 41552), (20776, 37480), (23744, 32795), (25970, 29984), (26236, 29680)]