138579660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:805

約数の個数: 120

約数和(自身を含む): 438718896

約数和(自身を除く): 300139236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 262, 270, 324, 393, 405, 524, 540, 653, 655, 786, 810, 1179, 1306, 1310, 1572, 1620, 1959, 1965, 2358, 2612, 2620, 3265, 3537, 3918, 3930, 4716, 5877, 5895, 6530, 7074, 7836, 7860, 9795, 10611, 11754, 11790, 13060, 14148, 17631, 17685, 19590, 21222, 23508, 23580, 29385, 35262, 35370, 39180, 42444, 52893, 53055, 58770, 70524, 70740, 85543, 88155, 105786, 106110, 117540, 171086, 176310, 211572, 212220, 256629, 264465, 342172, 352620, 427715, 513258, 528930, 769887, 855430, 1026516, 1057860, 1283145, 1539774, 1710860, 2309661, 2566290, 3079548, 3849435, 4619322, 5132580, 6928983, 7698870, 9238644, 11548305, 13857966, 15397740, 23096610, 27715932, 34644915, 46193220, 69289830, 138579660]

約数ペア:

[(1, 138579660), (2, 69289830), (3, 46193220), (4, 34644915), (5, 27715932), (6, 23096610), (9, 15397740), (10, 13857966), (12, 11548305), (15, 9238644), (18, 7698870), (20, 6928983), (27, 5132580), (30, 4619322), (36, 3849435), (45, 3079548), (54, 2566290), (60, 2309661), (81, 1710860), (90, 1539774), (108, 1283145), (131, 1057860), (135, 1026516), (162, 855430), (180, 769887), (262, 528930), (270, 513258), (324, 427715), (393, 352620), (405, 342172), (524, 264465), (540, 256629), (653, 212220), (655, 211572), (786, 176310), (810, 171086), (1179, 117540), (1306, 106110), (1310, 105786), (1572, 88155), (1620, 85543), (1959, 70740), (1965, 70524), (2358, 58770), (2612, 53055), (2620, 52893), (3265, 42444), (3537, 39180), (3918, 35370), (3930, 35262), (4716, 29385), (5877, 23580), (5895, 23508), (6530, 21222), (7074, 19590), (7836, 17685), (7860, 17631), (9795, 14148), (10611, 13060), (11754, 11790)]