261186160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 691384320

約数和(自身を除く): 430198160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 31, 38, 40, 46, 62, 76, 80, 92, 95, 115, 124, 152, 155, 184, 190, 230, 241, 248, 304, 310, 368, 380, 437, 460, 482, 496, 589, 620, 713, 760, 874, 920, 964, 1178, 1205, 1240, 1426, 1520, 1748, 1840, 1928, 2185, 2356, 2410, 2480, 2852, 2945, 3496, 3565, 3856, 4370, 4579, 4712, 4820, 5543, 5704, 5890, 6992, 7130, 7471, 8740, 9158, 9424, 9640, 11086, 11408, 11780, 13547, 14260, 14942, 17480, 18316, 19280, 22172, 22895, 23560, 27094, 27715, 28520, 29884, 34960, 36632, 37355, 44344, 45790, 47120, 54188, 55430, 57040, 59768, 67735, 73264, 74710, 88688, 91580, 105317, 108376, 110860, 119536, 135470, 141949, 149420, 171833, 183160, 210634, 216752, 221720, 270940, 283898, 298840, 343666, 366320, 421268, 443440, 526585, 541880, 567796, 597680, 687332, 709745, 842536, 859165, 1053170, 1083760, 1135592, 1374664, 1419490, 1685072, 1718330, 2106340, 2271184, 2749328, 2838980, 3264827, 3436660, 4212680, 5677960, 6529654, 6873320, 8425360, 11355920, 13059308, 13746640, 16324135, 26118616, 32648270, 52237232, 65296540, 130593080, 261186160]

約数ペア:

[(1, 261186160), (2, 130593080), (4, 65296540), (5, 52237232), (8, 32648270), (10, 26118616), (16, 16324135), (19, 13746640), (20, 13059308), (23, 11355920), (31, 8425360), (38, 6873320), (40, 6529654), (46, 5677960), (62, 4212680), (76, 3436660), (80, 3264827), (92, 2838980), (95, 2749328), (115, 2271184), (124, 2106340), (152, 1718330), (155, 1685072), (184, 1419490), (190, 1374664), (230, 1135592), (241, 1083760), (248, 1053170), (304, 859165), (310, 842536), (368, 709745), (380, 687332), (437, 597680), (460, 567796), (482, 541880), (496, 526585), (589, 443440), (620, 421268), (713, 366320), (760, 343666), (874, 298840), (920, 283898), (964, 270940), (1178, 221720), (1205, 216752), (1240, 210634), (1426, 183160), (1520, 171833), (1748, 149420), (1840, 141949), (1928, 135470), (2185, 119536), (2356, 110860), (2410, 108376), (2480, 105317), (2852, 91580), (2945, 88688), (3496, 74710), (3565, 73264), (3856, 67735), (4370, 59768), (4579, 57040), (4712, 55430), (4820, 54188), (5543, 47120), (5704, 45790), (5890, 44344), (6992, 37355), (7130, 36632), (7471, 34960), (8740, 29884), (9158, 28520), (9424, 27715), (9640, 27094), (11086, 23560), (11408, 22895), (11780, 22172), (13547, 19280), (14260, 18316), (14942, 17480)]