802045640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 2052587520

約数和(自身を除く): 1250541880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 127, 155, 220, 248, 254, 310, 341, 440, 463, 508, 620, 635, 682, 926, 1016, 1240, 1270, 1364, 1397, 1705, 1852, 2315, 2540, 2728, 2794, 3410, 3704, 3937, 4630, 5080, 5093, 5588, 6820, 6985, 7874, 9260, 10186, 11176, 13640, 13970, 14353, 15748, 18520, 19685, 20372, 25465, 27940, 28706, 31496, 39370, 40744, 43307, 50930, 55880, 57412, 58801, 71765, 78740, 86614, 101860, 114824, 117602, 143530, 157480, 157883, 173228, 203720, 216535, 235204, 287060, 294005, 315766, 346456, 433070, 470408, 574120, 588010, 631532, 646811, 789415, 866140, 1176020, 1263064, 1293622, 1578830, 1732280, 1822831, 2352040, 2587244, 3157660, 3234055, 3645662, 5174488, 6315320, 6468110, 7291324, 9114155, 12936220, 14582648, 18228310, 20051141, 25872440, 36456620, 40102282, 72913240, 80204564, 100255705, 160409128, 200511410, 401022820, 802045640]

約数ペア:

[(1, 802045640), (2, 401022820), (4, 200511410), (5, 160409128), (8, 100255705), (10, 80204564), (11, 72913240), (20, 40102282), (22, 36456620), (31, 25872440), (40, 20051141), (44, 18228310), (55, 14582648), (62, 12936220), (88, 9114155), (110, 7291324), (124, 6468110), (127, 6315320), (155, 5174488), (220, 3645662), (248, 3234055), (254, 3157660), (310, 2587244), (341, 2352040), (440, 1822831), (463, 1732280), (508, 1578830), (620, 1293622), (635, 1263064), (682, 1176020), (926, 866140), (1016, 789415), (1240, 646811), (1270, 631532), (1364, 588010), (1397, 574120), (1705, 470408), (1852, 433070), (2315, 346456), (2540, 315766), (2728, 294005), (2794, 287060), (3410, 235204), (3704, 216535), (3937, 203720), (4630, 173228), (5080, 157883), (5093, 157480), (5588, 143530), (6820, 117602), (6985, 114824), (7874, 101860), (9260, 86614), (10186, 78740), (11176, 71765), (13640, 58801), (13970, 57412), (14353, 55880), (15748, 50930), (18520, 43307), (19685, 40744), (20372, 39370), (25465, 31496), (27940, 28706)]