1820993040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18461}}^1$

素因数の和:18617

約数の個数: 120

約数和(自身を含む): 6160474008

約数和(自身を除く): 4339480968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 240, 274, 360, 411, 548, 685, 720, 822, 1096, 1233, 1370, 1644, 2055, 2192, 2466, 2740, 3288, 4110, 4932, 5480, 6165, 6576, 8220, 9864, 10960, 12330, 16440, 18461, 19728, 24660, 32880, 36922, 49320, 55383, 73844, 92305, 98640, 110766, 147688, 166149, 184610, 221532, 276915, 295376, 332298, 369220, 443064, 553830, 664596, 738440, 830745, 886128, 1107660, 1329192, 1476880, 1661490, 2215320, 2529157, 2658384, 3322980, 4430640, 5058314, 6645960, 7587471, 10116628, 12645785, 13291920, 15174942, 20233256, 22762413, 25291570, 30349884, 37937355, 40466512, 45524826, 50583140, 60699768, 75874710, 91049652, 101166280, 113812065, 121399536, 151749420, 182099304, 202332560, 227624130, 303498840, 364198608, 455248260, 606997680, 910496520, 1820993040]

約数ペア:

[(1, 1820993040), (2, 910496520), (3, 606997680), (4, 455248260), (5, 364198608), (6, 303498840), (8, 227624130), (9, 202332560), (10, 182099304), (12, 151749420), (15, 121399536), (16, 113812065), (18, 101166280), (20, 91049652), (24, 75874710), (30, 60699768), (36, 50583140), (40, 45524826), (45, 40466512), (48, 37937355), (60, 30349884), (72, 25291570), (80, 22762413), (90, 20233256), (120, 15174942), (137, 13291920), (144, 12645785), (180, 10116628), (240, 7587471), (274, 6645960), (360, 5058314), (411, 4430640), (548, 3322980), (685, 2658384), (720, 2529157), (822, 2215320), (1096, 1661490), (1233, 1476880), (1370, 1329192), (1644, 1107660), (2055, 886128), (2192, 830745), (2466, 738440), (2740, 664596), (3288, 553830), (4110, 443064), (4932, 369220), (5480, 332298), (6165, 295376), (6576, 276915), (8220, 221532), (9864, 184610), (10960, 166149), (12330, 147688), (16440, 110766), (18461, 98640), (19728, 92305), (24660, 73844), (32880, 55383), (36922, 49320)]