2557042740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2029399}}^1$

素因数の和:2029421

約数の個数: 72

約数和(自身を含む): 8864419200

約数和(自身を除く): 6307376460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2029399, 4058798, 6088197, 8117596, 10146995, 12176394, 14205793, 18264591, 20293990, 24352788, 28411586, 30440985, 36529182, 40587980, 42617379, 56823172, 60881970, 71028965, 73058364, 85234758, 91322955, 121763940, 127852137, 142057930, 170469516, 182645910, 213086895, 255704274, 284115860, 365291820, 426173790, 511408548, 639260685, 852347580, 1278521370, 2557042740]

約数ペア:

[(1, 2557042740), (2, 1278521370), (3, 852347580), (4, 639260685), (5, 511408548), (6, 426173790), (7, 365291820), (9, 284115860), (10, 255704274), (12, 213086895), (14, 182645910), (15, 170469516), (18, 142057930), (20, 127852137), (21, 121763940), (28, 91322955), (30, 85234758), (35, 73058364), (36, 71028965), (42, 60881970), (45, 56823172), (60, 42617379), (63, 40587980), (70, 36529182), (84, 30440985), (90, 28411586), (105, 24352788), (126, 20293990), (140, 18264591), (180, 14205793), (210, 12176394), (252, 10146995), (315, 8117596), (420, 6088197), (630, 4058798), (1260, 2029399)]