1640371905

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2677}}^1$

素因数の和:2800

約数の個数: 80

約数和(自身を含む): 3149649360

約数和(自身を除く): 1509277455

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 89, 135, 153, 255, 267, 405, 445, 459, 765, 801, 1335, 1377, 1513, 2295, 2403, 2677, 4005, 4539, 6885, 7209, 7565, 8031, 12015, 13385, 13617, 22695, 24093, 36045, 40155, 40851, 45509, 68085, 72279, 120465, 122553, 136527, 204255, 216837, 227545, 238253, 361395, 409581, 612765, 682635, 714759, 1084185, 1191265, 1228743, 2047905, 2144277, 3573795, 3686229, 4050301, 6143715, 6432831, 10721385, 12150903, 18431145, 19298493, 20251505, 32164155, 36452709, 60754515, 96492465, 109358127, 182263545, 328074381, 546790635, 1640371905]

約数ペア:

[(1, 1640371905), (3, 546790635), (5, 328074381), (9, 182263545), (15, 109358127), (17, 96492465), (27, 60754515), (45, 36452709), (51, 32164155), (81, 20251505), (85, 19298493), (89, 18431145), (135, 12150903), (153, 10721385), (255, 6432831), (267, 6143715), (405, 4050301), (445, 3686229), (459, 3573795), (765, 2144277), (801, 2047905), (1335, 1228743), (1377, 1191265), (1513, 1084185), (2295, 714759), (2403, 682635), (2677, 612765), (4005, 409581), (4539, 361395), (6885, 238253), (7209, 227545), (7565, 216837), (8031, 204255), (12015, 136527), (13385, 122553), (13617, 120465), (22695, 72279), (24093, 68085), (36045, 45509), (40155, 40851)]