78012072

素因数分解:

$2^3\times 3^4\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1068

約数の個数: 80

約数和(自身を含む): 220413600

約数和(自身を除く): 142401528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 131, 162, 216, 262, 324, 393, 524, 648, 786, 919, 1048, 1179, 1572, 1838, 2358, 2757, 3144, 3537, 3676, 4716, 5514, 7074, 7352, 8271, 9432, 10611, 11028, 14148, 16542, 21222, 22056, 24813, 28296, 33084, 42444, 49626, 66168, 74439, 84888, 99252, 120389, 148878, 198504, 240778, 297756, 361167, 481556, 595512, 722334, 963112, 1083501, 1444668, 2167002, 2889336, 3250503, 4334004, 6501006, 8668008, 9751509, 13002012, 19503018, 26004024, 39006036, 78012072]

約数ペア:

[(1, 78012072), (2, 39006036), (3, 26004024), (4, 19503018), (6, 13002012), (8, 9751509), (9, 8668008), (12, 6501006), (18, 4334004), (24, 3250503), (27, 2889336), (36, 2167002), (54, 1444668), (72, 1083501), (81, 963112), (108, 722334), (131, 595512), (162, 481556), (216, 361167), (262, 297756), (324, 240778), (393, 198504), (524, 148878), (648, 120389), (786, 99252), (919, 84888), (1048, 74439), (1179, 66168), (1572, 49626), (1838, 42444), (2358, 33084), (2757, 28296), (3144, 24813), (3537, 22056), (3676, 21222), (4716, 16542), (5514, 14148), (7074, 11028), (7352, 10611), (8271, 9432)]