73072040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 170931600

約数和(自身を除く): 97859560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 509, 740, 776, 970, 1018, 1480, 1940, 2036, 2545, 3589, 3880, 4072, 5090, 7178, 10180, 14356, 17945, 18833, 20360, 28712, 35890, 37666, 49373, 71780, 75332, 94165, 98746, 143560, 150664, 188330, 197492, 246865, 376660, 394984, 493730, 753320, 987460, 1826801, 1974920, 3653602, 7307204, 9134005, 14614408, 18268010, 36536020, 73072040]

約数ペア:

[(1, 73072040), (2, 36536020), (4, 18268010), (5, 14614408), (8, 9134005), (10, 7307204), (20, 3653602), (37, 1974920), (40, 1826801), (74, 987460), (97, 753320), (148, 493730), (185, 394984), (194, 376660), (296, 246865), (370, 197492), (388, 188330), (485, 150664), (509, 143560), (740, 98746), (776, 94165), (970, 75332), (1018, 71780), (1480, 49373), (1940, 37666), (2036, 35890), (2545, 28712), (3589, 20360), (3880, 18833), (4072, 17945), (5090, 14356), (7178, 10180)]