74339840

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 80

約数和(自身を含む): 181193760

約数和(自身を除く): 106853920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 409, 512, 568, 640, 710, 818, 1136, 1280, 1420, 1636, 2045, 2272, 2560, 2840, 3272, 4090, 4544, 5680, 6544, 8180, 9088, 11360, 13088, 16360, 18176, 22720, 26176, 29039, 32720, 36352, 45440, 52352, 58078, 65440, 90880, 104704, 116156, 130880, 145195, 181760, 209408, 232312, 261760, 290390, 464624, 523520, 580780, 929248, 1047040, 1161560, 1858496, 2323120, 3716992, 4646240, 7433984, 9292480, 14867968, 18584960, 37169920, 74339840]

約数ペア:

[(1, 74339840), (2, 37169920), (4, 18584960), (5, 14867968), (8, 9292480), (10, 7433984), (16, 4646240), (20, 3716992), (32, 2323120), (40, 1858496), (64, 1161560), (71, 1047040), (80, 929248), (128, 580780), (142, 523520), (160, 464624), (256, 290390), (284, 261760), (320, 232312), (355, 209408), (409, 181760), (512, 145195), (568, 130880), (640, 116156), (710, 104704), (818, 90880), (1136, 65440), (1280, 58078), (1420, 52352), (1636, 45440), (2045, 36352), (2272, 32720), (2560, 29039), (2840, 26176), (3272, 22720), (4090, 18176), (4544, 16360), (5680, 13088), (6544, 11360), (8180, 9088)]