405738540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 288

約数和(自身を含む): 1383782400

約数和(自身を除く): 978043860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 43, 45, 57, 60, 62, 76, 86, 89, 90, 93, 95, 114, 124, 129, 155, 171, 172, 178, 180, 186, 190, 215, 228, 258, 267, 279, 285, 310, 342, 356, 372, 380, 387, 430, 445, 465, 516, 534, 558, 570, 589, 620, 645, 684, 774, 801, 817, 855, 860, 890, 930, 1068, 1116, 1140, 1178, 1290, 1333, 1335, 1395, 1548, 1602, 1634, 1691, 1710, 1767, 1780, 1860, 1935, 2356, 2451, 2580, 2666, 2670, 2759, 2790, 2945, 3204, 3268, 3382, 3420, 3534, 3827, 3870, 3999, 4005, 4085, 4902, 5073, 5301, 5332, 5340, 5518, 5580, 5890, 6665, 6764, 7068, 7353, 7654, 7740, 7998, 8010, 8170, 8277, 8455, 8835, 9804, 10146, 10602, 11036, 11481, 11780, 11997, 12255, 13330, 13795, 14706, 15219, 15308, 15996, 16020, 16340, 16554, 16910, 17670, 19135, 19995, 20292, 21204, 22962, 23994, 24510, 24831, 25327, 25365, 26505, 26660, 27590, 29412, 30438, 33108, 33820, 34443, 35340, 36765, 38270, 39990, 41385, 45924, 47988, 49020, 49662, 50654, 50730, 52421, 53010, 55180, 57405, 59985, 60876, 68886, 72713, 73530, 75981, 76095, 76540, 79980, 82770, 99324, 101308, 101460, 104842, 106020, 114810, 118637, 119970, 124155, 126635, 137772, 145426, 147060, 151962, 152190, 157263, 165540, 172215, 209684, 218139, 227943, 229620, 237274, 239940, 248310, 253270, 262105, 290852, 303924, 304380, 314526, 344430, 355911, 363565, 379905, 436278, 455886, 471789, 474548, 496620, 506540, 524210, 593185, 629052, 654417, 688860, 711822, 727130, 759810, 786315, 872556, 911772, 943578, 1048420, 1067733, 1090695, 1139715, 1186370, 1308834, 1423644, 1454260, 1519620, 1572630, 1779555, 1887156, 2135466, 2181390, 2254103, 2279430, 2358945, 2372740, 2617668, 3145260, 3272085, 3559110, 4270932, 4362780, 4508206, 4558860, 4717890, 5338665, 6544170, 6762309, 7118220, 9016412, 9435780, 10677330, 11270515, 13088340, 13524618, 20286927, 21354660, 22541030, 27049236, 33811545, 40573854, 45082060, 67623090, 81147708, 101434635, 135246180, 202869270, 405738540]

約数ペア:

[(1, 405738540), (2, 202869270), (3, 135246180), (4, 101434635), (5, 81147708), (6, 67623090), (9, 45082060), (10, 40573854), (12, 33811545), (15, 27049236), (18, 22541030), (19, 21354660), (20, 20286927), (30, 13524618), (31, 13088340), (36, 11270515), (38, 10677330), (43, 9435780), (45, 9016412), (57, 7118220), (60, 6762309), (62, 6544170), (76, 5338665), (86, 4717890), (89, 4558860), (90, 4508206), (93, 4362780), (95, 4270932), (114, 3559110), (124, 3272085), (129, 3145260), (155, 2617668), (171, 2372740), (172, 2358945), (178, 2279430), (180, 2254103), (186, 2181390), (190, 2135466), (215, 1887156), (228, 1779555), (258, 1572630), (267, 1519620), (279, 1454260), (285, 1423644), (310, 1308834), (342, 1186370), (356, 1139715), (372, 1090695), (380, 1067733), (387, 1048420), (430, 943578), (445, 911772), (465, 872556), (516, 786315), (534, 759810), (558, 727130), (570, 711822), (589, 688860), (620, 654417), (645, 629052), (684, 593185), (774, 524210), (801, 506540), (817, 496620), (855, 474548), (860, 471789), (890, 455886), (930, 436278), (1068, 379905), (1116, 363565), (1140, 355911), (1178, 344430), (1290, 314526), (1333, 304380), (1335, 303924), (1395, 290852), (1548, 262105), (1602, 253270), (1634, 248310), (1691, 239940), (1710, 237274), (1767, 229620), (1780, 227943), (1860, 218139), (1935, 209684), (2356, 172215), (2451, 165540), (2580, 157263), (2666, 152190), (2670, 151962), (2759, 147060), (2790, 145426), (2945, 137772), (3204, 126635), (3268, 124155), (3382, 119970), (3420, 118637), (3534, 114810), (3827, 106020), (3870, 104842), (3999, 101460), (4005, 101308), (4085, 99324), (4902, 82770), (5073, 79980), (5301, 76540), (5332, 76095), (5340, 75981), (5518, 73530), (5580, 72713), (5890, 68886), (6665, 60876), (6764, 59985), (7068, 57405), (7353, 55180), (7654, 53010), (7740, 52421), (7998, 50730), (8010, 50654), (8170, 49662), (8277, 49020), (8455, 47988), (8835, 45924), (9804, 41385), (10146, 39990), (10602, 38270), (11036, 36765), (11481, 35340), (11780, 34443), (11997, 33820), (12255, 33108), (13330, 30438), (13795, 29412), (14706, 27590), (15219, 26660), (15308, 26505), (15996, 25365), (16020, 25327), (16340, 24831), (16554, 24510), (16910, 23994), (17670, 22962), (19135, 21204), (19995, 20292)]