215002980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 686859264

約数和(自身を除く): 471856284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 180, 186, 212, 265, 279, 310, 318, 372, 465, 477, 530, 558, 620, 636, 727, 795, 930, 954, 1060, 1116, 1395, 1454, 1590, 1643, 1860, 1908, 2181, 2385, 2790, 2908, 3180, 3286, 3635, 4362, 4770, 4929, 5580, 6543, 6572, 7270, 8215, 8724, 9540, 9858, 10905, 13086, 14540, 14787, 16430, 19716, 21810, 22537, 24645, 26172, 29574, 32715, 32860, 38531, 43620, 45074, 49290, 59148, 65430, 67611, 73935, 77062, 90148, 98580, 112685, 115593, 130860, 135222, 147870, 154124, 192655, 202833, 225370, 231186, 270444, 295740, 338055, 346779, 385310, 405666, 450740, 462372, 577965, 676110, 693558, 770620, 811332, 1014165, 1155930, 1194461, 1352220, 1387116, 1733895, 2028330, 2311860, 2388922, 3467790, 3583383, 4056660, 4777844, 5972305, 6935580, 7166766, 10750149, 11944610, 14333532, 17916915, 21500298, 23889220, 35833830, 43000596, 53750745, 71667660, 107501490, 215002980]

約数ペア:

[(1, 215002980), (2, 107501490), (3, 71667660), (4, 53750745), (5, 43000596), (6, 35833830), (9, 23889220), (10, 21500298), (12, 17916915), (15, 14333532), (18, 11944610), (20, 10750149), (30, 7166766), (31, 6935580), (36, 5972305), (45, 4777844), (53, 4056660), (60, 3583383), (62, 3467790), (90, 2388922), (93, 2311860), (106, 2028330), (124, 1733895), (155, 1387116), (159, 1352220), (180, 1194461), (186, 1155930), (212, 1014165), (265, 811332), (279, 770620), (310, 693558), (318, 676110), (372, 577965), (465, 462372), (477, 450740), (530, 405666), (558, 385310), (620, 346779), (636, 338055), (727, 295740), (795, 270444), (930, 231186), (954, 225370), (1060, 202833), (1116, 192655), (1395, 154124), (1454, 147870), (1590, 135222), (1643, 130860), (1860, 115593), (1908, 112685), (2181, 98580), (2385, 90148), (2790, 77062), (2908, 73935), (3180, 67611), (3286, 65430), (3635, 59148), (4362, 49290), (4770, 45074), (4929, 43620), (5580, 38531), (6543, 32860), (6572, 32715), (7270, 29574), (8215, 26172), (8724, 24645), (9540, 22537), (9858, 21810), (10905, 19716), (13086, 16430), (14540, 14787)]