128854740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13339}}^1$

素因数の和:13381

約数の個数: 96

約数和(自身を含む): 430295040

約数和(自身を除く): 301440300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 13339, 26678, 40017, 53356, 66695, 80034, 93373, 133390, 160068, 186746, 200085, 266780, 280119, 306797, 373492, 400170, 466865, 560238, 613594, 800340, 920391, 933730, 1120476, 1227188, 1400595, 1533985, 1840782, 1867460, 2147579, 2801190, 3067970, 3681564, 4295158, 4601955, 5602380, 6135940, 6442737, 8590316, 9203910, 10737895, 12885474, 18407820, 21475790, 25770948, 32213685, 42951580, 64427370, 128854740]

約数ペア:

[(1, 128854740), (2, 64427370), (3, 42951580), (4, 32213685), (5, 25770948), (6, 21475790), (7, 18407820), (10, 12885474), (12, 10737895), (14, 9203910), (15, 8590316), (20, 6442737), (21, 6135940), (23, 5602380), (28, 4601955), (30, 4295158), (35, 3681564), (42, 3067970), (46, 2801190), (60, 2147579), (69, 1867460), (70, 1840782), (84, 1533985), (92, 1400595), (105, 1227188), (115, 1120476), (138, 933730), (140, 920391), (161, 800340), (210, 613594), (230, 560238), (276, 466865), (322, 400170), (345, 373492), (420, 306797), (460, 280119), (483, 266780), (644, 200085), (690, 186746), (805, 160068), (966, 133390), (1380, 93373), (1610, 80034), (1932, 66695), (2415, 53356), (3220, 40017), (4830, 26678), (9660, 13339)]