30142420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 84728448

約数和(自身を除く): 54586028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 37, 44, 46, 55, 70, 74, 77, 92, 110, 115, 140, 148, 154, 161, 185, 220, 230, 253, 259, 308, 322, 370, 385, 407, 460, 506, 518, 529, 644, 740, 770, 805, 814, 851, 1012, 1036, 1058, 1265, 1295, 1540, 1610, 1628, 1702, 1771, 2035, 2116, 2530, 2590, 2645, 2849, 3220, 3404, 3542, 3703, 4070, 4255, 5060, 5180, 5290, 5698, 5819, 5957, 7084, 7406, 8140, 8510, 8855, 9361, 10580, 11396, 11638, 11914, 14245, 14812, 17020, 17710, 18515, 18722, 19573, 23276, 23828, 28490, 29095, 29785, 35420, 37030, 37444, 39146, 40733, 46805, 56980, 58190, 59570, 65527, 74060, 78292, 81466, 93610, 97865, 116380, 119140, 131054, 137011, 162932, 187220, 195730, 203665, 215303, 262108, 274022, 327635, 391460, 407330, 430606, 548044, 655270, 685055, 814660, 861212, 1076515, 1310540, 1370110, 1507121, 2153030, 2740220, 3014242, 4306060, 6028484, 7535605, 15071210, 30142420]

約数ペア:

[(1, 30142420), (2, 15071210), (4, 7535605), (5, 6028484), (7, 4306060), (10, 3014242), (11, 2740220), (14, 2153030), (20, 1507121), (22, 1370110), (23, 1310540), (28, 1076515), (35, 861212), (37, 814660), (44, 685055), (46, 655270), (55, 548044), (70, 430606), (74, 407330), (77, 391460), (92, 327635), (110, 274022), (115, 262108), (140, 215303), (148, 203665), (154, 195730), (161, 187220), (185, 162932), (220, 137011), (230, 131054), (253, 119140), (259, 116380), (308, 97865), (322, 93610), (370, 81466), (385, 78292), (407, 74060), (460, 65527), (506, 59570), (518, 58190), (529, 56980), (644, 46805), (740, 40733), (770, 39146), (805, 37444), (814, 37030), (851, 35420), (1012, 29785), (1036, 29095), (1058, 28490), (1265, 23828), (1295, 23276), (1540, 19573), (1610, 18722), (1628, 18515), (1702, 17710), (1771, 17020), (2035, 14812), (2116, 14245), (2530, 11914), (2590, 11638), (2645, 11396), (2849, 10580), (3220, 9361), (3404, 8855), (3542, 8510), (3703, 8140), (4070, 7406), (4255, 7084), (5060, 5957), (5180, 5819), (5290, 5698)]