328830080

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 832809600

約数和(自身を除く): 503979520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 251, 320, 356, 368, 445, 460, 502, 640, 712, 736, 890, 920, 1004, 1255, 1424, 1472, 1780, 1840, 2008, 2047, 2510, 2848, 2944, 3560, 3680, 4016, 4094, 5020, 5696, 5773, 7120, 7360, 8032, 8188, 10040, 10235, 11392, 11546, 14240, 14720, 16064, 16376, 20080, 20470, 22339, 23092, 28480, 28865, 32128, 32752, 40160, 40940, 44678, 46184, 56960, 57730, 65504, 80320, 81880, 89356, 92368, 111695, 115460, 131008, 160640, 163760, 178712, 184736, 223390, 230920, 262016, 327520, 357424, 369472, 446780, 461840, 513797, 655040, 714848, 738944, 893560, 923680, 1027594, 1310080, 1429696, 1787120, 1847360, 2055188, 2568985, 2859392, 3574240, 3694720, 4110376, 5137970, 7148480, 8220752, 10275940, 14296960, 16441504, 20551880, 32883008, 41103760, 65766016, 82207520, 164415040, 328830080]

約数ペア:

[(1, 328830080), (2, 164415040), (4, 82207520), (5, 65766016), (8, 41103760), (10, 32883008), (16, 20551880), (20, 16441504), (23, 14296960), (32, 10275940), (40, 8220752), (46, 7148480), (64, 5137970), (80, 4110376), (89, 3694720), (92, 3574240), (115, 2859392), (128, 2568985), (160, 2055188), (178, 1847360), (184, 1787120), (230, 1429696), (251, 1310080), (320, 1027594), (356, 923680), (368, 893560), (445, 738944), (460, 714848), (502, 655040), (640, 513797), (712, 461840), (736, 446780), (890, 369472), (920, 357424), (1004, 327520), (1255, 262016), (1424, 230920), (1472, 223390), (1780, 184736), (1840, 178712), (2008, 163760), (2047, 160640), (2510, 131008), (2848, 115460), (2944, 111695), (3560, 92368), (3680, 89356), (4016, 81880), (4094, 80320), (5020, 65504), (5696, 57730), (5773, 56960), (7120, 46184), (7360, 44678), (8032, 40940), (8188, 40160), (10040, 32752), (10235, 32128), (11392, 28865), (11546, 28480), (14240, 23092), (14720, 22339), (16064, 20470), (16376, 20080)]