180216640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 112

約数和(自身を含む): 455883264

約数和(自身を除く): 275666624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 320, 370, 491, 496, 592, 620, 740, 982, 992, 1147, 1184, 1240, 1480, 1964, 1984, 2294, 2368, 2455, 2480, 2960, 3928, 4588, 4910, 4960, 5735, 5920, 7856, 9176, 9820, 9920, 11470, 11840, 15221, 15712, 18167, 18352, 19640, 22940, 30442, 31424, 36334, 36704, 39280, 45880, 60884, 72668, 73408, 76105, 78560, 90835, 91760, 121768, 145336, 152210, 157120, 181670, 183520, 243536, 290672, 304420, 363340, 367040, 487072, 563177, 581344, 608840, 726680, 974144, 1126354, 1162688, 1217680, 1453360, 2252708, 2435360, 2815885, 2906720, 4505416, 4870720, 5631770, 5813440, 9010832, 11263540, 18021664, 22527080, 36043328, 45054160, 90108320, 180216640]

約数ペア:

[(1, 180216640), (2, 90108320), (4, 45054160), (5, 36043328), (8, 22527080), (10, 18021664), (16, 11263540), (20, 9010832), (31, 5813440), (32, 5631770), (37, 4870720), (40, 4505416), (62, 2906720), (64, 2815885), (74, 2435360), (80, 2252708), (124, 1453360), (148, 1217680), (155, 1162688), (160, 1126354), (185, 974144), (248, 726680), (296, 608840), (310, 581344), (320, 563177), (370, 487072), (491, 367040), (496, 363340), (592, 304420), (620, 290672), (740, 243536), (982, 183520), (992, 181670), (1147, 157120), (1184, 152210), (1240, 145336), (1480, 121768), (1964, 91760), (1984, 90835), (2294, 78560), (2368, 76105), (2455, 73408), (2480, 72668), (2960, 60884), (3928, 45880), (4588, 39280), (4910, 36704), (4960, 36334), (5735, 31424), (5920, 30442), (7856, 22940), (9176, 19640), (9820, 18352), (9920, 18167), (11470, 15712), (11840, 15221)]