164415040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 112

約数和(自身を含む): 414771840

約数和(自身を除く): 250356800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 230, 251, 320, 356, 368, 445, 460, 502, 712, 736, 890, 920, 1004, 1255, 1424, 1472, 1780, 1840, 2008, 2047, 2510, 2848, 3560, 3680, 4016, 4094, 5020, 5696, 5773, 7120, 7360, 8032, 8188, 10040, 10235, 11546, 14240, 16064, 16376, 20080, 20470, 22339, 23092, 28480, 28865, 32752, 40160, 40940, 44678, 46184, 57730, 65504, 80320, 81880, 89356, 92368, 111695, 115460, 131008, 163760, 178712, 184736, 223390, 230920, 327520, 357424, 369472, 446780, 461840, 513797, 655040, 714848, 893560, 923680, 1027594, 1429696, 1787120, 1847360, 2055188, 2568985, 3574240, 4110376, 5137970, 7148480, 8220752, 10275940, 16441504, 20551880, 32883008, 41103760, 82207520, 164415040]

約数ペア:

[(1, 164415040), (2, 82207520), (4, 41103760), (5, 32883008), (8, 20551880), (10, 16441504), (16, 10275940), (20, 8220752), (23, 7148480), (32, 5137970), (40, 4110376), (46, 3574240), (64, 2568985), (80, 2055188), (89, 1847360), (92, 1787120), (115, 1429696), (160, 1027594), (178, 923680), (184, 893560), (230, 714848), (251, 655040), (320, 513797), (356, 461840), (368, 446780), (445, 369472), (460, 357424), (502, 327520), (712, 230920), (736, 223390), (890, 184736), (920, 178712), (1004, 163760), (1255, 131008), (1424, 115460), (1472, 111695), (1780, 92368), (1840, 89356), (2008, 81880), (2047, 80320), (2510, 65504), (2848, 57730), (3560, 46184), (3680, 44678), (4016, 40940), (4094, 40160), (5020, 32752), (5696, 28865), (5773, 28480), (7120, 23092), (7360, 22339), (8032, 20470), (8188, 20080), (10040, 16376), (10235, 16064), (11546, 14240)]