420082020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1234

約数の個数: 144

約数和(自身を含む): 1354429440

約数和(自身を除く): 934347420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 113, 114, 171, 180, 190, 226, 228, 285, 339, 342, 380, 452, 565, 570, 678, 684, 855, 1017, 1087, 1130, 1140, 1356, 1695, 1710, 2034, 2147, 2174, 2260, 3261, 3390, 3420, 4068, 4294, 4348, 5085, 5435, 6441, 6522, 6780, 8588, 9783, 10170, 10735, 10870, 12882, 13044, 16305, 19323, 19566, 20340, 20653, 21470, 21740, 25764, 32205, 32610, 38646, 39132, 41306, 42940, 48915, 61959, 64410, 65220, 77292, 82612, 96615, 97830, 103265, 122831, 123918, 128820, 185877, 193230, 195660, 206530, 245662, 247836, 309795, 368493, 371754, 386460, 413060, 491324, 614155, 619590, 736986, 743508, 929385, 1105479, 1228310, 1239180, 1473972, 1842465, 1858770, 2210958, 2333789, 2456620, 3684930, 3717540, 4421916, 4667578, 5527395, 7001367, 7369860, 9335156, 11054790, 11668945, 14002734, 21004101, 22109580, 23337890, 28005468, 35006835, 42008202, 46675780, 70013670, 84016404, 105020505, 140027340, 210041010, 420082020]

約数ペア:

[(1, 420082020), (2, 210041010), (3, 140027340), (4, 105020505), (5, 84016404), (6, 70013670), (9, 46675780), (10, 42008202), (12, 35006835), (15, 28005468), (18, 23337890), (19, 22109580), (20, 21004101), (30, 14002734), (36, 11668945), (38, 11054790), (45, 9335156), (57, 7369860), (60, 7001367), (76, 5527395), (90, 4667578), (95, 4421916), (113, 3717540), (114, 3684930), (171, 2456620), (180, 2333789), (190, 2210958), (226, 1858770), (228, 1842465), (285, 1473972), (339, 1239180), (342, 1228310), (380, 1105479), (452, 929385), (565, 743508), (570, 736986), (678, 619590), (684, 614155), (855, 491324), (1017, 413060), (1087, 386460), (1130, 371754), (1140, 368493), (1356, 309795), (1695, 247836), (1710, 245662), (2034, 206530), (2147, 195660), (2174, 193230), (2260, 185877), (3261, 128820), (3390, 123918), (3420, 122831), (4068, 103265), (4294, 97830), (4348, 96615), (5085, 82612), (5435, 77292), (6441, 65220), (6522, 64410), (6780, 61959), (8588, 48915), (9783, 42940), (10170, 41306), (10735, 39132), (10870, 38646), (12882, 32610), (13044, 32205), (16305, 25764), (19323, 21740), (19566, 21470), (20340, 20653)]