161927880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 552960000

約数和(自身を除く): 391032120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 31, 38, 40, 57, 58, 60, 62, 76, 79, 87, 93, 95, 114, 116, 120, 124, 145, 152, 155, 158, 174, 186, 190, 228, 232, 237, 248, 285, 290, 310, 316, 348, 372, 380, 395, 435, 456, 465, 474, 551, 570, 580, 589, 620, 632, 696, 744, 760, 790, 870, 899, 930, 948, 1102, 1140, 1160, 1178, 1185, 1240, 1501, 1580, 1653, 1740, 1767, 1798, 1860, 1896, 2204, 2280, 2291, 2356, 2370, 2449, 2697, 2755, 2945, 3002, 3160, 3306, 3480, 3534, 3596, 3720, 4408, 4495, 4503, 4582, 4712, 4740, 4898, 5394, 5510, 5890, 6004, 6612, 6873, 7068, 7192, 7347, 7505, 8265, 8835, 8990, 9006, 9164, 9480, 9796, 10788, 11020, 11455, 11780, 12008, 12245, 13224, 13485, 13746, 14136, 14694, 15010, 16530, 17081, 17670, 17980, 18012, 18328, 19592, 21576, 22040, 22515, 22910, 23560, 24490, 26970, 27492, 29388, 30020, 33060, 34162, 34365, 35340, 35960, 36024, 36735, 43529, 45030, 45820, 46531, 48980, 51243, 53940, 54984, 58776, 60040, 66120, 68324, 68730, 70680, 71021, 73470, 85405, 87058, 90060, 91640, 93062, 97960, 102486, 107880, 130587, 136648, 137460, 139593, 142042, 146940, 170810, 174116, 180120, 186124, 204972, 213063, 217645, 232655, 256215, 261174, 274920, 279186, 284084, 293880, 341620, 348232, 355105, 372248, 409944, 426126, 435290, 465310, 512430, 522348, 558372, 568168, 652935, 683240, 697965, 710210, 852252, 870580, 930620, 1024860, 1044696, 1065315, 1116744, 1305870, 1349399, 1395930, 1420420, 1704504, 1741160, 1861240, 2049720, 2130630, 2611740, 2698798, 2791860, 2840840, 4048197, 4261260, 5223480, 5397596, 5583720, 6746995, 8096394, 8522520, 10795192, 13493990, 16192788, 20240985, 26987980, 32385576, 40481970, 53975960, 80963940, 161927880]

約数ペア:

[(1, 161927880), (2, 80963940), (3, 53975960), (4, 40481970), (5, 32385576), (6, 26987980), (8, 20240985), (10, 16192788), (12, 13493990), (15, 10795192), (19, 8522520), (20, 8096394), (24, 6746995), (29, 5583720), (30, 5397596), (31, 5223480), (38, 4261260), (40, 4048197), (57, 2840840), (58, 2791860), (60, 2698798), (62, 2611740), (76, 2130630), (79, 2049720), (87, 1861240), (93, 1741160), (95, 1704504), (114, 1420420), (116, 1395930), (120, 1349399), (124, 1305870), (145, 1116744), (152, 1065315), (155, 1044696), (158, 1024860), (174, 930620), (186, 870580), (190, 852252), (228, 710210), (232, 697965), (237, 683240), (248, 652935), (285, 568168), (290, 558372), (310, 522348), (316, 512430), (348, 465310), (372, 435290), (380, 426126), (395, 409944), (435, 372248), (456, 355105), (465, 348232), (474, 341620), (551, 293880), (570, 284084), (580, 279186), (589, 274920), (620, 261174), (632, 256215), (696, 232655), (744, 217645), (760, 213063), (790, 204972), (870, 186124), (899, 180120), (930, 174116), (948, 170810), (1102, 146940), (1140, 142042), (1160, 139593), (1178, 137460), (1185, 136648), (1240, 130587), (1501, 107880), (1580, 102486), (1653, 97960), (1740, 93062), (1767, 91640), (1798, 90060), (1860, 87058), (1896, 85405), (2204, 73470), (2280, 71021), (2291, 70680), (2356, 68730), (2370, 68324), (2449, 66120), (2697, 60040), (2755, 58776), (2945, 54984), (3002, 53940), (3160, 51243), (3306, 48980), (3480, 46531), (3534, 45820), (3596, 45030), (3720, 43529), (4408, 36735), (4495, 36024), (4503, 35960), (4582, 35340), (4712, 34365), (4740, 34162), (4898, 33060), (5394, 30020), (5510, 29388), (5890, 27492), (6004, 26970), (6612, 24490), (6873, 23560), (7068, 22910), (7192, 22515), (7347, 22040), (7505, 21576), (8265, 19592), (8835, 18328), (8990, 18012), (9006, 17980), (9164, 17670), (9480, 17081), (9796, 16530), (10788, 15010), (11020, 14694), (11455, 14136), (11780, 13746), (12008, 13485), (12245, 13224)]