16845640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1$

素因数の和:3574

約数の個数: 64

約数和(自身を含む): 45878400

約数和(自身を除く): 29032760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3539, 4760, 7078, 14156, 17695, 24773, 28312, 35390, 49546, 60163, 70780, 99092, 120326, 123865, 141560, 198184, 240652, 247730, 300815, 421141, 481304, 495460, 601630, 842282, 990920, 1203260, 1684564, 2105705, 2406520, 3369128, 4211410, 8422820, 16845640]

約数ペア:

[(1, 16845640), (2, 8422820), (4, 4211410), (5, 3369128), (7, 2406520), (8, 2105705), (10, 1684564), (14, 1203260), (17, 990920), (20, 842282), (28, 601630), (34, 495460), (35, 481304), (40, 421141), (56, 300815), (68, 247730), (70, 240652), (85, 198184), (119, 141560), (136, 123865), (140, 120326), (170, 99092), (238, 70780), (280, 60163), (340, 49546), (476, 35390), (595, 28312), (680, 24773), (952, 17695), (1190, 14156), (2380, 7078), (3539, 4760)]