409120020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 1291949568

約数和(自身を除く): 882829548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 157, 180, 186, 279, 310, 314, 372, 465, 467, 471, 558, 620, 628, 785, 930, 934, 942, 1116, 1395, 1401, 1413, 1570, 1860, 1868, 1884, 2335, 2355, 2790, 2802, 2826, 3140, 4203, 4670, 4710, 4867, 5580, 5604, 5652, 7005, 7065, 8406, 9340, 9420, 9734, 14010, 14130, 14477, 14601, 16812, 19468, 21015, 24335, 28020, 28260, 28954, 29202, 42030, 43431, 43803, 48670, 57908, 58404, 72385, 73005, 73319, 84060, 86862, 87606, 97340, 130293, 144770, 146010, 146638, 173724, 175212, 217155, 219015, 219957, 260586, 289540, 292020, 293276, 366595, 434310, 438030, 439914, 521172, 651465, 659871, 733190, 868620, 876060, 879828, 1099785, 1302930, 1319742, 1466380, 2199570, 2272889, 2605860, 2639484, 3299355, 4399140, 4545778, 6598710, 6818667, 9091556, 11364445, 13197420, 13637334, 20456001, 22728890, 27274668, 34093335, 40912002, 45457780, 68186670, 81824004, 102280005, 136373340, 204560010, 409120020]

約数ペア:

[(1, 409120020), (2, 204560010), (3, 136373340), (4, 102280005), (5, 81824004), (6, 68186670), (9, 45457780), (10, 40912002), (12, 34093335), (15, 27274668), (18, 22728890), (20, 20456001), (30, 13637334), (31, 13197420), (36, 11364445), (45, 9091556), (60, 6818667), (62, 6598710), (90, 4545778), (93, 4399140), (124, 3299355), (155, 2639484), (157, 2605860), (180, 2272889), (186, 2199570), (279, 1466380), (310, 1319742), (314, 1302930), (372, 1099785), (465, 879828), (467, 876060), (471, 868620), (558, 733190), (620, 659871), (628, 651465), (785, 521172), (930, 439914), (934, 438030), (942, 434310), (1116, 366595), (1395, 293276), (1401, 292020), (1413, 289540), (1570, 260586), (1860, 219957), (1868, 219015), (1884, 217155), (2335, 175212), (2355, 173724), (2790, 146638), (2802, 146010), (2826, 144770), (3140, 130293), (4203, 97340), (4670, 87606), (4710, 86862), (4867, 84060), (5580, 73319), (5604, 73005), (5652, 72385), (7005, 58404), (7065, 57908), (8406, 48670), (9340, 43803), (9420, 43431), (9734, 42030), (14010, 29202), (14130, 28954), (14477, 28260), (14601, 28020), (16812, 24335), (19468, 21015)]