65880720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2529

約数の個数: 120

約数和(自身を含む): 227321016

約数和(自身を除く): 161440296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2473, 2664, 2960, 3330, 4440, 4946, 5328, 6660, 7419, 8880, 9892, 12365, 13320, 14838, 19784, 22257, 24730, 26640, 29676, 37095, 39568, 44514, 49460, 59352, 74190, 89028, 91501, 98920, 111285, 118704, 148380, 178056, 183002, 197840, 222570, 274503, 296760, 356112, 366004, 445140, 457505, 549006, 593520, 732008, 823509, 890280, 915010, 1098012, 1372515, 1464016, 1647018, 1780560, 1830020, 2196024, 2745030, 3294036, 3660040, 4117545, 4392048, 5490060, 6588072, 7320080, 8235090, 10980120, 13176144, 16470180, 21960240, 32940360, 65880720]

約数ペア:

[(1, 65880720), (2, 32940360), (3, 21960240), (4, 16470180), (5, 13176144), (6, 10980120), (8, 8235090), (9, 7320080), (10, 6588072), (12, 5490060), (15, 4392048), (16, 4117545), (18, 3660040), (20, 3294036), (24, 2745030), (30, 2196024), (36, 1830020), (37, 1780560), (40, 1647018), (45, 1464016), (48, 1372515), (60, 1098012), (72, 915010), (74, 890280), (80, 823509), (90, 732008), (111, 593520), (120, 549006), (144, 457505), (148, 445140), (180, 366004), (185, 356112), (222, 296760), (240, 274503), (296, 222570), (333, 197840), (360, 183002), (370, 178056), (444, 148380), (555, 118704), (592, 111285), (666, 98920), (720, 91501), (740, 89028), (888, 74190), (1110, 59352), (1332, 49460), (1480, 44514), (1665, 39568), (1776, 37095), (2220, 29676), (2473, 26640), (2664, 24730), (2960, 22257), (3330, 19784), (4440, 14838), (4946, 13320), (5328, 12365), (6660, 9892), (7419, 8880)]