161154540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 511999488

約数和(自身を除く): 350844948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 86, 90, 94, 129, 141, 172, 180, 188, 215, 235, 258, 282, 387, 423, 430, 443, 470, 516, 564, 645, 705, 774, 846, 860, 886, 940, 1290, 1329, 1410, 1548, 1692, 1772, 1935, 2021, 2115, 2215, 2580, 2658, 2820, 3870, 3987, 4042, 4230, 4430, 5316, 6063, 6645, 7740, 7974, 8084, 8460, 8860, 10105, 12126, 13290, 15948, 18189, 19049, 19935, 20210, 20821, 24252, 26580, 30315, 36378, 38098, 39870, 40420, 41642, 57147, 60630, 62463, 72756, 76196, 79740, 83284, 90945, 95245, 104105, 114294, 121260, 124926, 171441, 181890, 187389, 190490, 208210, 228588, 249852, 285735, 312315, 342882, 363780, 374778, 380980, 416420, 571470, 624630, 685764, 749556, 857205, 895303, 936945, 1142940, 1249260, 1714410, 1790606, 1873890, 2685909, 3428820, 3581212, 3747780, 4476515, 5371818, 8057727, 8953030, 10743636, 13429545, 16115454, 17906060, 26859090, 32230908, 40288635, 53718180, 80577270, 161154540]

約数ペア:

[(1, 161154540), (2, 80577270), (3, 53718180), (4, 40288635), (5, 32230908), (6, 26859090), (9, 17906060), (10, 16115454), (12, 13429545), (15, 10743636), (18, 8953030), (20, 8057727), (30, 5371818), (36, 4476515), (43, 3747780), (45, 3581212), (47, 3428820), (60, 2685909), (86, 1873890), (90, 1790606), (94, 1714410), (129, 1249260), (141, 1142940), (172, 936945), (180, 895303), (188, 857205), (215, 749556), (235, 685764), (258, 624630), (282, 571470), (387, 416420), (423, 380980), (430, 374778), (443, 363780), (470, 342882), (516, 312315), (564, 285735), (645, 249852), (705, 228588), (774, 208210), (846, 190490), (860, 187389), (886, 181890), (940, 171441), (1290, 124926), (1329, 121260), (1410, 114294), (1548, 104105), (1692, 95245), (1772, 90945), (1935, 83284), (2021, 79740), (2115, 76196), (2215, 72756), (2580, 62463), (2658, 60630), (2820, 57147), (3870, 41642), (3987, 40420), (4042, 39870), (4230, 38098), (4430, 36378), (5316, 30315), (6063, 26580), (6645, 24252), (7740, 20821), (7974, 20210), (8084, 19935), (8460, 19049), (8860, 18189), (10105, 15948), (12126, 13290)]