639440928

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{757}}^1$

素因数の和:1199

約数の個数: 144

約数和(自身を含む): 2085894720

約数和(自身を除く): 1446453792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 419, 504, 672, 757, 838, 1008, 1257, 1514, 1676, 2016, 2271, 2514, 2933, 3028, 3352, 3771, 4542, 5028, 5299, 5866, 6056, 6704, 6813, 7542, 8799, 9084, 10056, 10598, 11732, 12112, 13408, 13626, 15084, 15897, 17598, 18168, 20112, 21196, 23464, 24224, 26397, 27252, 30168, 31794, 35196, 36336, 40224, 42392, 46928, 47691, 52794, 54504, 60336, 63588, 70392, 72672, 84784, 93856, 95382, 105588, 109008, 120672, 127176, 140784, 169568, 190764, 211176, 218016, 254352, 281568, 317183, 381528, 422352, 508704, 634366, 763056, 844704, 951549, 1268732, 1526112, 1903098, 2220281, 2537464, 2854647, 3806196, 4440562, 5074928, 5709294, 6660843, 7612392, 8881124, 10149856, 11418588, 13321686, 15224784, 17762248, 19982529, 22837176, 26643372, 30449568, 35524496, 39965058, 45674352, 53286744, 71048992, 79930116, 91348704, 106573488, 159860232, 213146976, 319720464, 639440928]

約数ペア:

[(1, 639440928), (2, 319720464), (3, 213146976), (4, 159860232), (6, 106573488), (7, 91348704), (8, 79930116), (9, 71048992), (12, 53286744), (14, 45674352), (16, 39965058), (18, 35524496), (21, 30449568), (24, 26643372), (28, 22837176), (32, 19982529), (36, 17762248), (42, 15224784), (48, 13321686), (56, 11418588), (63, 10149856), (72, 8881124), (84, 7612392), (96, 6660843), (112, 5709294), (126, 5074928), (144, 4440562), (168, 3806196), (224, 2854647), (252, 2537464), (288, 2220281), (336, 1903098), (419, 1526112), (504, 1268732), (672, 951549), (757, 844704), (838, 763056), (1008, 634366), (1257, 508704), (1514, 422352), (1676, 381528), (2016, 317183), (2271, 281568), (2514, 254352), (2933, 218016), (3028, 211176), (3352, 190764), (3771, 169568), (4542, 140784), (5028, 127176), (5299, 120672), (5866, 109008), (6056, 105588), (6704, 95382), (6813, 93856), (7542, 84784), (8799, 72672), (9084, 70392), (10056, 63588), (10598, 60336), (11732, 54504), (12112, 52794), (13408, 47691), (13626, 46928), (15084, 42392), (15897, 40224), (17598, 36336), (18168, 35196), (20112, 31794), (21196, 30168), (23464, 27252), (24224, 26397)]