168581720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 410901120

約数和(自身を除く): 242319400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 257, 310, 460, 514, 529, 620, 713, 920, 1028, 1058, 1240, 1285, 1426, 2056, 2116, 2570, 2645, 2852, 3565, 4232, 5140, 5290, 5704, 5911, 7130, 7967, 10280, 10580, 11822, 14260, 15934, 16399, 21160, 23644, 28520, 29555, 31868, 32798, 39835, 47288, 59110, 63736, 65596, 79670, 81995, 118220, 131192, 135953, 159340, 163990, 183241, 236440, 271906, 318680, 327980, 366482, 543812, 655960, 679765, 732964, 916205, 1087624, 1359530, 1465928, 1832410, 2719060, 3664820, 4214543, 5438120, 7329640, 8429086, 16858172, 21072715, 33716344, 42145430, 84290860, 168581720]

約数ペア:

[(1, 168581720), (2, 84290860), (4, 42145430), (5, 33716344), (8, 21072715), (10, 16858172), (20, 8429086), (23, 7329640), (31, 5438120), (40, 4214543), (46, 3664820), (62, 2719060), (92, 1832410), (115, 1465928), (124, 1359530), (155, 1087624), (184, 916205), (230, 732964), (248, 679765), (257, 655960), (310, 543812), (460, 366482), (514, 327980), (529, 318680), (620, 271906), (713, 236440), (920, 183241), (1028, 163990), (1058, 159340), (1240, 135953), (1285, 131192), (1426, 118220), (2056, 81995), (2116, 79670), (2570, 65596), (2645, 63736), (2852, 59110), (3565, 47288), (4232, 39835), (5140, 32798), (5290, 31868), (5704, 29555), (5911, 28520), (7130, 23644), (7967, 21160), (10280, 16399), (10580, 15934), (11822, 14260)]