128992140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37717}}^1$

素因数の和:37751

約数の個数: 72

約数和(自身を含む): 411880560

約数和(自身を除く): 282888420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 37717, 75434, 113151, 150868, 188585, 226302, 339453, 377170, 452604, 565755, 678906, 716623, 754340, 1131510, 1357812, 1433246, 1697265, 2149869, 2263020, 2866492, 3394530, 3583115, 4299738, 6449607, 6789060, 7166230, 8599476, 10749345, 12899214, 14332460, 21498690, 25798428, 32248035, 42997380, 64496070, 128992140]

約数ペア:

[(1, 128992140), (2, 64496070), (3, 42997380), (4, 32248035), (5, 25798428), (6, 21498690), (9, 14332460), (10, 12899214), (12, 10749345), (15, 8599476), (18, 7166230), (19, 6789060), (20, 6449607), (30, 4299738), (36, 3583115), (38, 3394530), (45, 2866492), (57, 2263020), (60, 2149869), (76, 1697265), (90, 1433246), (95, 1357812), (114, 1131510), (171, 754340), (180, 716623), (190, 678906), (228, 565755), (285, 452604), (342, 377170), (380, 339453), (570, 226302), (684, 188585), (855, 150868), (1140, 113151), (1710, 75434), (3420, 37717)]