128440440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:742

約数の個数: 192

約数和(自身を含む): 456917760

約数和(自身を除く): 328477320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 677, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1354, 1395, 1530, 1581, 1860, 2031, 2040, 2108, 2232, 2635, 2708, 2790, 3060, 3162, 3385, 3720, 4062, 4216, 4743, 5270, 5416, 5580, 6093, 6120, 6324, 6770, 7905, 8124, 9486, 10155, 10540, 11160, 11509, 12186, 12648, 13540, 15810, 16248, 18972, 20310, 20987, 21080, 23018, 23715, 24372, 27080, 30465, 31620, 34527, 37944, 40620, 41974, 46036, 47430, 48744, 57545, 60930, 62961, 63240, 69054, 81240, 83948, 92072, 94860, 103581, 104935, 115090, 121860, 125922, 138108, 167896, 172635, 188883, 189720, 207162, 209870, 230180, 243720, 251844, 276216, 314805, 345270, 356779, 377766, 414324, 419740, 460360, 503688, 517905, 629610, 690540, 713558, 755532, 828648, 839480, 944415, 1035810, 1070337, 1259220, 1381080, 1427116, 1511064, 1783895, 1888830, 2071620, 2140674, 2518440, 2854232, 3211011, 3567790, 3777660, 4143240, 4281348, 5351685, 6422022, 7135580, 7555320, 8562696, 10703370, 12844044, 14271160, 16055055, 21406740, 25688088, 32110110, 42813480, 64220220, 128440440]

約数ペア:

[(1, 128440440), (2, 64220220), (3, 42813480), (4, 32110110), (5, 25688088), (6, 21406740), (8, 16055055), (9, 14271160), (10, 12844044), (12, 10703370), (15, 8562696), (17, 7555320), (18, 7135580), (20, 6422022), (24, 5351685), (30, 4281348), (31, 4143240), (34, 3777660), (36, 3567790), (40, 3211011), (45, 2854232), (51, 2518440), (60, 2140674), (62, 2071620), (68, 1888830), (72, 1783895), (85, 1511064), (90, 1427116), (93, 1381080), (102, 1259220), (120, 1070337), (124, 1035810), (136, 944415), (153, 839480), (155, 828648), (170, 755532), (180, 713558), (186, 690540), (204, 629610), (248, 517905), (255, 503688), (279, 460360), (306, 419740), (310, 414324), (340, 377766), (360, 356779), (372, 345270), (408, 314805), (465, 276216), (510, 251844), (527, 243720), (558, 230180), (612, 209870), (620, 207162), (677, 189720), (680, 188883), (744, 172635), (765, 167896), (930, 138108), (1020, 125922), (1054, 121860), (1116, 115090), (1224, 104935), (1240, 103581), (1354, 94860), (1395, 92072), (1530, 83948), (1581, 81240), (1860, 69054), (2031, 63240), (2040, 62961), (2108, 60930), (2232, 57545), (2635, 48744), (2708, 47430), (2790, 46036), (3060, 41974), (3162, 40620), (3385, 37944), (3720, 34527), (4062, 31620), (4216, 30465), (4743, 27080), (5270, 24372), (5416, 23715), (5580, 23018), (6093, 21080), (6120, 20987), (6324, 20310), (6770, 18972), (7905, 16248), (8124, 15810), (9486, 13540), (10155, 12648), (10540, 12186), (11160, 11509)]