80802720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56113}}^1$

素因数の和:56134

約数の個数: 72

約数和(自身を含む): 275744196

約数和(自身を除く): 194941476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56113, 112226, 168339, 224452, 280565, 336678, 448904, 505017, 561130, 673356, 841695, 897808, 1010034, 1122260, 1346712, 1683390, 1795616, 2020068, 2244520, 2525085, 2693424, 3366780, 4040136, 4489040, 5050170, 5386848, 6733560, 8080272, 8978080, 10100340, 13467120, 16160544, 20200680, 26934240, 40401360, 80802720]

約数ペア:

[(1, 80802720), (2, 40401360), (3, 26934240), (4, 20200680), (5, 16160544), (6, 13467120), (8, 10100340), (9, 8978080), (10, 8080272), (12, 6733560), (15, 5386848), (16, 5050170), (18, 4489040), (20, 4040136), (24, 3366780), (30, 2693424), (32, 2525085), (36, 2244520), (40, 2020068), (45, 1795616), (48, 1683390), (60, 1346712), (72, 1122260), (80, 1010034), (90, 897808), (96, 841695), (120, 673356), (144, 561130), (160, 505017), (180, 448904), (240, 336678), (288, 280565), (360, 224452), (480, 168339), (720, 112226), (1440, 56113)]