21630360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 69984000

約数和(自身を除く): 48353640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 179, 190, 212, 228, 265, 285, 318, 358, 380, 424, 456, 530, 537, 570, 636, 716, 760, 795, 895, 1007, 1060, 1074, 1140, 1272, 1432, 1590, 1790, 2014, 2120, 2148, 2280, 2685, 3021, 3180, 3401, 3580, 4028, 4296, 5035, 5370, 6042, 6360, 6802, 7160, 8056, 9487, 10070, 10203, 10740, 12084, 13604, 15105, 17005, 18974, 20140, 20406, 21480, 24168, 27208, 28461, 30210, 34010, 37948, 40280, 40812, 47435, 51015, 56922, 60420, 68020, 75896, 81624, 94870, 102030, 113844, 120840, 136040, 142305, 180253, 189740, 204060, 227688, 284610, 360506, 379480, 408120, 540759, 569220, 721012, 901265, 1081518, 1138440, 1442024, 1802530, 2163036, 2703795, 3605060, 4326072, 5407590, 7210120, 10815180, 21630360]

約数ペア:

[(1, 21630360), (2, 10815180), (3, 7210120), (4, 5407590), (5, 4326072), (6, 3605060), (8, 2703795), (10, 2163036), (12, 1802530), (15, 1442024), (19, 1138440), (20, 1081518), (24, 901265), (30, 721012), (38, 569220), (40, 540759), (53, 408120), (57, 379480), (60, 360506), (76, 284610), (95, 227688), (106, 204060), (114, 189740), (120, 180253), (152, 142305), (159, 136040), (179, 120840), (190, 113844), (212, 102030), (228, 94870), (265, 81624), (285, 75896), (318, 68020), (358, 60420), (380, 56922), (424, 51015), (456, 47435), (530, 40812), (537, 40280), (570, 37948), (636, 34010), (716, 30210), (760, 28461), (795, 27208), (895, 24168), (1007, 21480), (1060, 20406), (1074, 20140), (1140, 18974), (1272, 17005), (1432, 15105), (1590, 13604), (1790, 12084), (2014, 10740), (2120, 10203), (2148, 10070), (2280, 9487), (2685, 8056), (3021, 7160), (3180, 6802), (3401, 6360), (3580, 6042), (4028, 5370), (4296, 5035)]