53140120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 139968000

約数和(自身を除く): 86827880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 59, 88, 89, 92, 110, 115, 118, 178, 184, 220, 230, 236, 253, 295, 356, 440, 445, 460, 472, 506, 590, 649, 712, 890, 920, 979, 1012, 1180, 1265, 1298, 1357, 1780, 1958, 2024, 2047, 2360, 2530, 2596, 2714, 3245, 3560, 3916, 4094, 4895, 5060, 5192, 5251, 5428, 6490, 6785, 7832, 8188, 9790, 10120, 10235, 10502, 10856, 12980, 13570, 14927, 16376, 19580, 20470, 21004, 22517, 25960, 26255, 27140, 29854, 39160, 40940, 42008, 45034, 52510, 54280, 57761, 59708, 74635, 81880, 90068, 105020, 112585, 115522, 119416, 120773, 149270, 180136, 210040, 225170, 231044, 241546, 288805, 298540, 450340, 462088, 483092, 577610, 597080, 603865, 900680, 966184, 1155220, 1207730, 1328503, 2310440, 2415460, 2657006, 4830920, 5314012, 6642515, 10628024, 13285030, 26570060, 53140120]

約数ペア:

[(1, 53140120), (2, 26570060), (4, 13285030), (5, 10628024), (8, 6642515), (10, 5314012), (11, 4830920), (20, 2657006), (22, 2415460), (23, 2310440), (40, 1328503), (44, 1207730), (46, 1155220), (55, 966184), (59, 900680), (88, 603865), (89, 597080), (92, 577610), (110, 483092), (115, 462088), (118, 450340), (178, 298540), (184, 288805), (220, 241546), (230, 231044), (236, 225170), (253, 210040), (295, 180136), (356, 149270), (440, 120773), (445, 119416), (460, 115522), (472, 112585), (506, 105020), (590, 90068), (649, 81880), (712, 74635), (890, 59708), (920, 57761), (979, 54280), (1012, 52510), (1180, 45034), (1265, 42008), (1298, 40940), (1357, 39160), (1780, 29854), (1958, 27140), (2024, 26255), (2047, 25960), (2360, 22517), (2530, 21004), (2596, 20470), (2714, 19580), (3245, 16376), (3560, 14927), (3916, 13570), (4094, 12980), (4895, 10856), (5060, 10502), (5192, 10235), (5251, 10120), (5428, 9790), (6490, 8188), (6785, 7832)]