123409980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 395041920

約数和(自身を除く): 271631940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 201, 243, 268, 270, 324, 335, 379, 402, 405, 486, 540, 603, 670, 758, 804, 810, 972, 1005, 1137, 1206, 1215, 1340, 1516, 1620, 1809, 1895, 2010, 2274, 2412, 2430, 3015, 3411, 3618, 3790, 4020, 4548, 4860, 5427, 5685, 6030, 6822, 7236, 7580, 9045, 10233, 10854, 11370, 12060, 13644, 16281, 17055, 18090, 20466, 21708, 22740, 25393, 27135, 30699, 32562, 34110, 36180, 40932, 50786, 51165, 54270, 61398, 65124, 68220, 76179, 81405, 92097, 101572, 102330, 108540, 122796, 126965, 152358, 153495, 162810, 184194, 204660, 228537, 253930, 304716, 306990, 325620, 368388, 380895, 457074, 460485, 507860, 613980, 685611, 761790, 914148, 920970, 1142685, 1371222, 1523580, 1841940, 2056833, 2285370, 2742444, 3428055, 4113666, 4570740, 6170499, 6856110, 8227332, 10284165, 12340998, 13712220, 20568330, 24681996, 30852495, 41136660, 61704990, 123409980]

約数ペア:

[(1, 123409980), (2, 61704990), (3, 41136660), (4, 30852495), (5, 24681996), (6, 20568330), (9, 13712220), (10, 12340998), (12, 10284165), (15, 8227332), (18, 6856110), (20, 6170499), (27, 4570740), (30, 4113666), (36, 3428055), (45, 2742444), (54, 2285370), (60, 2056833), (67, 1841940), (81, 1523580), (90, 1371222), (108, 1142685), (134, 920970), (135, 914148), (162, 761790), (180, 685611), (201, 613980), (243, 507860), (268, 460485), (270, 457074), (324, 380895), (335, 368388), (379, 325620), (402, 306990), (405, 304716), (486, 253930), (540, 228537), (603, 204660), (670, 184194), (758, 162810), (804, 153495), (810, 152358), (972, 126965), (1005, 122796), (1137, 108540), (1206, 102330), (1215, 101572), (1340, 92097), (1516, 81405), (1620, 76179), (1809, 68220), (1895, 65124), (2010, 61398), (2274, 54270), (2412, 51165), (2430, 50786), (3015, 40932), (3411, 36180), (3618, 34110), (3790, 32562), (4020, 30699), (4548, 27135), (4860, 25393), (5427, 22740), (5685, 21708), (6030, 20466), (6822, 18090), (7236, 17055), (7580, 16281), (9045, 13644), (10233, 12060), (10854, 11370)]