225655380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 715478400

約数和(自身を除く): 489823020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 139, 145, 174, 180, 261, 278, 290, 311, 348, 417, 435, 522, 556, 580, 622, 695, 834, 870, 933, 1044, 1244, 1251, 1305, 1390, 1555, 1668, 1740, 1866, 2085, 2502, 2610, 2780, 2799, 3110, 3732, 4031, 4170, 4665, 5004, 5220, 5598, 6220, 6255, 8062, 8340, 9019, 9330, 11196, 12093, 12510, 13995, 16124, 18038, 18660, 20155, 24186, 25020, 27057, 27990, 36076, 36279, 40310, 43229, 45095, 48372, 54114, 55980, 60465, 72558, 80620, 81171, 86458, 90190, 108228, 120930, 129687, 135285, 145116, 162342, 172916, 180380, 181395, 216145, 241860, 259374, 270570, 324684, 362790, 389061, 405855, 432290, 518748, 541140, 648435, 725580, 778122, 811710, 864580, 1253641, 1296870, 1556244, 1623420, 1945305, 2507282, 2593740, 3760923, 3890610, 5014564, 6268205, 7521846, 7781220, 11282769, 12536410, 15043692, 18804615, 22565538, 25072820, 37609230, 45131076, 56413845, 75218460, 112827690, 225655380]

約数ペア:

[(1, 225655380), (2, 112827690), (3, 75218460), (4, 56413845), (5, 45131076), (6, 37609230), (9, 25072820), (10, 22565538), (12, 18804615), (15, 15043692), (18, 12536410), (20, 11282769), (29, 7781220), (30, 7521846), (36, 6268205), (45, 5014564), (58, 3890610), (60, 3760923), (87, 2593740), (90, 2507282), (116, 1945305), (139, 1623420), (145, 1556244), (174, 1296870), (180, 1253641), (261, 864580), (278, 811710), (290, 778122), (311, 725580), (348, 648435), (417, 541140), (435, 518748), (522, 432290), (556, 405855), (580, 389061), (622, 362790), (695, 324684), (834, 270570), (870, 259374), (933, 241860), (1044, 216145), (1244, 181395), (1251, 180380), (1305, 172916), (1390, 162342), (1555, 145116), (1668, 135285), (1740, 129687), (1866, 120930), (2085, 108228), (2502, 90190), (2610, 86458), (2780, 81171), (2799, 80620), (3110, 72558), (3732, 60465), (4031, 55980), (4170, 54114), (4665, 48372), (5004, 45095), (5220, 43229), (5598, 40310), (6220, 36279), (6255, 36076), (8062, 27990), (8340, 27057), (9019, 25020), (9330, 24186), (11196, 20155), (12093, 18660), (12510, 18038), (13995, 16124)]