128281140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4217}}^1$

素因数の和:4258

約数の個数: 108

約数和(自身を含む): 421454124

約数和(自身を除く): 293172984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 4217, 5070, 6084, 7605, 8434, 10140, 12651, 15210, 16868, 21085, 25302, 30420, 37953, 42170, 50604, 54821, 63255, 75906, 84340, 109642, 126510, 151812, 164463, 189765, 219284, 253020, 274105, 328926, 379530, 493389, 548210, 657852, 712673, 759060, 822315, 986778, 1096420, 1425346, 1644630, 1973556, 2138019, 2466945, 2850692, 3289260, 3563365, 4276038, 4933890, 6414057, 7126730, 8552076, 9867780, 10690095, 12828114, 14253460, 21380190, 25656228, 32070285, 42760380, 64140570, 128281140]

約数ペア:

[(1, 128281140), (2, 64140570), (3, 42760380), (4, 32070285), (5, 25656228), (6, 21380190), (9, 14253460), (10, 12828114), (12, 10690095), (13, 9867780), (15, 8552076), (18, 7126730), (20, 6414057), (26, 4933890), (30, 4276038), (36, 3563365), (39, 3289260), (45, 2850692), (52, 2466945), (60, 2138019), (65, 1973556), (78, 1644630), (90, 1425346), (117, 1096420), (130, 986778), (156, 822315), (169, 759060), (180, 712673), (195, 657852), (234, 548210), (260, 493389), (338, 379530), (390, 328926), (468, 274105), (507, 253020), (585, 219284), (676, 189765), (780, 164463), (845, 151812), (1014, 126510), (1170, 109642), (1521, 84340), (1690, 75906), (2028, 63255), (2340, 54821), (2535, 50604), (3042, 42170), (3380, 37953), (4217, 30420), (5070, 25302), (6084, 21085), (7605, 16868), (8434, 15210), (10140, 12651)]