65620980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 143518860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 59, 60, 74, 90, 111, 118, 148, 167, 177, 180, 185, 222, 236, 295, 333, 334, 354, 370, 444, 501, 531, 555, 590, 666, 668, 708, 740, 835, 885, 1002, 1062, 1110, 1180, 1332, 1503, 1665, 1670, 1770, 2004, 2124, 2183, 2220, 2505, 2655, 3006, 3330, 3340, 3540, 4366, 5010, 5310, 6012, 6179, 6549, 6660, 7515, 8732, 9853, 10020, 10620, 10915, 12358, 13098, 15030, 18537, 19647, 19706, 21830, 24716, 26196, 29559, 30060, 30895, 32745, 37074, 39294, 39412, 43660, 49265, 55611, 59118, 61790, 65490, 74148, 78588, 88677, 92685, 98235, 98530, 111222, 118236, 123580, 130980, 147795, 177354, 185370, 196470, 197060, 222444, 278055, 295590, 354708, 364561, 370740, 392940, 443385, 556110, 591180, 729122, 886770, 1093683, 1112220, 1458244, 1773540, 1822805, 2187366, 3281049, 3645610, 4374732, 5468415, 6562098, 7291220, 10936830, 13124196, 16405245, 21873660, 32810490, 65620980]

約数ペア:

[(1, 65620980), (2, 32810490), (3, 21873660), (4, 16405245), (5, 13124196), (6, 10936830), (9, 7291220), (10, 6562098), (12, 5468415), (15, 4374732), (18, 3645610), (20, 3281049), (30, 2187366), (36, 1822805), (37, 1773540), (45, 1458244), (59, 1112220), (60, 1093683), (74, 886770), (90, 729122), (111, 591180), (118, 556110), (148, 443385), (167, 392940), (177, 370740), (180, 364561), (185, 354708), (222, 295590), (236, 278055), (295, 222444), (333, 197060), (334, 196470), (354, 185370), (370, 177354), (444, 147795), (501, 130980), (531, 123580), (555, 118236), (590, 111222), (666, 98530), (668, 98235), (708, 92685), (740, 88677), (835, 78588), (885, 74148), (1002, 65490), (1062, 61790), (1110, 59118), (1180, 55611), (1332, 49265), (1503, 43660), (1665, 39412), (1670, 39294), (1770, 37074), (2004, 32745), (2124, 30895), (2183, 30060), (2220, 29559), (2505, 26196), (2655, 24716), (3006, 21830), (3330, 19706), (3340, 19647), (3540, 18537), (4366, 15030), (5010, 13098), (5310, 12358), (6012, 10915), (6179, 10620), (6549, 10020), (6660, 9853), (7515, 8732)]