78015900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13687}}^1$

素因数の和:13723

約数の個数: 72

約数和(自身を含む): 237623680

約数和(自身を除く): 159607780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 5700, 13687, 27374, 41061, 54748, 68435, 82122, 136870, 164244, 205305, 260053, 273740, 342175, 410610, 520106, 684350, 780159, 821220, 1026525, 1040212, 1300265, 1368700, 1560318, 2053050, 2600530, 3120636, 3900795, 4106100, 5201060, 6501325, 7801590, 13002650, 15603180, 19503975, 26005300, 39007950, 78015900]

約数ペア:

[(1, 78015900), (2, 39007950), (3, 26005300), (4, 19503975), (5, 15603180), (6, 13002650), (10, 7801590), (12, 6501325), (15, 5201060), (19, 4106100), (20, 3900795), (25, 3120636), (30, 2600530), (38, 2053050), (50, 1560318), (57, 1368700), (60, 1300265), (75, 1040212), (76, 1026525), (95, 821220), (100, 780159), (114, 684350), (150, 520106), (190, 410610), (228, 342175), (285, 273740), (300, 260053), (380, 205305), (475, 164244), (570, 136870), (950, 82122), (1140, 68435), (1425, 54748), (1900, 41061), (2850, 27374), (5700, 13687)]