20121304740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1\times {\mathrm{3319}}^1$

素因数の和:4689

約数の個数: 96

約数和(自身を含む): 57114624000

約数和(自身を除く): 36993319260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1279, 1580, 2370, 2558, 3319, 3837, 4740, 5116, 6395, 6638, 7674, 9957, 12790, 13276, 15348, 16595, 19185, 19914, 25580, 33190, 38370, 39828, 49785, 66380, 76740, 99570, 101041, 199140, 202082, 262201, 303123, 404164, 505205, 524402, 606246, 786603, 1010410, 1048804, 1212492, 1311005, 1515615, 1573206, 2020820, 2622010, 3031230, 3146412, 3933015, 4245001, 5244020, 6062460, 7866030, 8490002, 12735003, 15732060, 16980004, 21225005, 25470006, 42450010, 50940012, 63675015, 84900020, 127350030, 254700060, 335355079, 670710158, 1006065237, 1341420316, 1676775395, 2012130474, 3353550790, 4024260948, 5030326185, 6707101580, 10060652370, 20121304740]

約数ペア:

[(1, 20121304740), (2, 10060652370), (3, 6707101580), (4, 5030326185), (5, 4024260948), (6, 3353550790), (10, 2012130474), (12, 1676775395), (15, 1341420316), (20, 1006065237), (30, 670710158), (60, 335355079), (79, 254700060), (158, 127350030), (237, 84900020), (316, 63675015), (395, 50940012), (474, 42450010), (790, 25470006), (948, 21225005), (1185, 16980004), (1279, 15732060), (1580, 12735003), (2370, 8490002), (2558, 7866030), (3319, 6062460), (3837, 5244020), (4740, 4245001), (5116, 3933015), (6395, 3146412), (6638, 3031230), (7674, 2622010), (9957, 2020820), (12790, 1573206), (13276, 1515615), (15348, 1311005), (16595, 1212492), (19185, 1048804), (19914, 1010410), (25580, 786603), (33190, 606246), (38370, 524402), (39828, 505205), (49785, 404164), (66380, 303123), (76740, 262201), (99570, 202082), (101041, 199140)]