16322720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 41080284

約数和(自身を除く): 24757564

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 353, 544, 578, 680, 706, 1156, 1360, 1412, 1445, 1765, 2312, 2720, 2824, 2890, 3530, 4624, 5648, 5780, 6001, 7060, 9248, 11296, 11560, 12002, 14120, 23120, 24004, 28240, 30005, 46240, 48008, 56480, 60010, 96016, 102017, 120020, 192032, 204034, 240040, 408068, 480080, 510085, 816136, 960160, 1020170, 1632272, 2040340, 3264544, 4080680, 8161360, 16322720]

約数ペア:

[(1, 16322720), (2, 8161360), (4, 4080680), (5, 3264544), (8, 2040340), (10, 1632272), (16, 1020170), (17, 960160), (20, 816136), (32, 510085), (34, 480080), (40, 408068), (68, 240040), (80, 204034), (85, 192032), (136, 120020), (160, 102017), (170, 96016), (272, 60010), (289, 56480), (340, 48008), (353, 46240), (544, 30005), (578, 28240), (680, 24004), (706, 23120), (1156, 14120), (1360, 12002), (1412, 11560), (1445, 11296), (1765, 9248), (2312, 7060), (2720, 6001), (2824, 5780), (2890, 5648), (3530, 4624)]