21788897120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^2\times {\mathrm{193}}^1\times {\mathrm{839}}^1$

素因数の和:1105

約数の個数: 144

約数和(自身を含む): 53652624480

約数和(自身を除く): 31863727360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 193, 232, 290, 386, 464, 580, 772, 839, 841, 928, 965, 1160, 1544, 1678, 1682, 1930, 2320, 3088, 3356, 3364, 3860, 4195, 4205, 4640, 5597, 6176, 6712, 6728, 7720, 8390, 8410, 11194, 13424, 13456, 15440, 16780, 16820, 22388, 24331, 26848, 26912, 27985, 30880, 33560, 33640, 44776, 48662, 55970, 67120, 67280, 89552, 97324, 111940, 121655, 134240, 134560, 161927, 162313, 179104, 194648, 223880, 243310, 323854, 324626, 389296, 447760, 486620, 647708, 649252, 705599, 778592, 809635, 811565, 895520, 973240, 1295416, 1298504, 1411198, 1619270, 1623130, 1946480, 2590832, 2597008, 2822396, 3238540, 3246260, 3527995, 3892960, 4695883, 5181664, 5194016, 5644792, 6477080, 6492520, 7055990, 9391766, 11289584, 12954160, 12985040, 14111980, 18783532, 22579168, 23479415, 25908320, 25970080, 28223960, 37567064, 46958830, 56447920, 75134128, 93917660, 112895840, 136180607, 150268256, 187835320, 272361214, 375670640, 544722428, 680903035, 751341280, 1089444856, 1361806070, 2178889712, 2723612140, 4357779424, 5447224280, 10894448560, 21788897120]

約数ペア:

[(1, 21788897120), (2, 10894448560), (4, 5447224280), (5, 4357779424), (8, 2723612140), (10, 2178889712), (16, 1361806070), (20, 1089444856), (29, 751341280), (32, 680903035), (40, 544722428), (58, 375670640), (80, 272361214), (116, 187835320), (145, 150268256), (160, 136180607), (193, 112895840), (232, 93917660), (290, 75134128), (386, 56447920), (464, 46958830), (580, 37567064), (772, 28223960), (839, 25970080), (841, 25908320), (928, 23479415), (965, 22579168), (1160, 18783532), (1544, 14111980), (1678, 12985040), (1682, 12954160), (1930, 11289584), (2320, 9391766), (3088, 7055990), (3356, 6492520), (3364, 6477080), (3860, 5644792), (4195, 5194016), (4205, 5181664), (4640, 4695883), (5597, 3892960), (6176, 3527995), (6712, 3246260), (6728, 3238540), (7720, 2822396), (8390, 2597008), (8410, 2590832), (11194, 1946480), (13424, 1623130), (13456, 1619270), (15440, 1411198), (16780, 1298504), (16820, 1295416), (22388, 973240), (24331, 895520), (26848, 811565), (26912, 809635), (27985, 778592), (30880, 705599), (33560, 649252), (33640, 647708), (44776, 486620), (48662, 447760), (55970, 389296), (67120, 324626), (67280, 323854), (89552, 243310), (97324, 223880), (111940, 194648), (121655, 179104), (134240, 162313), (134560, 161927)]