20517578160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{3359}}^1$

素因数の和:4227

約数の個数: 160

約数和(自身を含む): 65755791360

約数和(自身を除く): 45238213200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 821, 930, 1240, 1488, 1642, 1860, 2463, 2480, 3284, 3359, 3720, 4105, 4926, 6568, 6718, 7440, 8210, 9852, 10077, 12315, 13136, 13436, 16420, 16795, 19704, 20154, 24630, 25451, 26872, 32840, 33590, 39408, 40308, 49260, 50385, 50902, 53744, 65680, 67180, 76353, 80616, 98520, 100770, 101804, 104129, 127255, 134360, 152706, 161232, 197040, 201540, 203608, 208258, 254510, 268720, 305412, 312387, 381765, 403080, 407216, 416516, 509020, 520645, 610824, 624774, 763530, 806160, 833032, 1018040, 1041290, 1221648, 1249548, 1527060, 1561935, 1666064, 2036080, 2082580, 2499096, 2757739, 3054120, 3123870, 4165160, 4998192, 5515478, 6108240, 6247740, 8273217, 8330320, 11030956, 12495480, 13788695, 16546434, 22061912, 24990960, 27577390, 33092868, 41366085, 44123824, 55154780, 66185736, 82732170, 85489909, 110309560, 132371472, 165464340, 170979818, 220619120, 256469727, 330928680, 341959636, 427449545, 512939454, 661857360, 683919272, 854899090, 1025878908, 1282348635, 1367838544, 1709798180, 2051757816, 2564697270, 3419596360, 4103515632, 5129394540, 6839192720, 10258789080, 20517578160]

約数ペア:

[(1, 20517578160), (2, 10258789080), (3, 6839192720), (4, 5129394540), (5, 4103515632), (6, 3419596360), (8, 2564697270), (10, 2051757816), (12, 1709798180), (15, 1367838544), (16, 1282348635), (20, 1025878908), (24, 854899090), (30, 683919272), (31, 661857360), (40, 512939454), (48, 427449545), (60, 341959636), (62, 330928680), (80, 256469727), (93, 220619120), (120, 170979818), (124, 165464340), (155, 132371472), (186, 110309560), (240, 85489909), (248, 82732170), (310, 66185736), (372, 55154780), (465, 44123824), (496, 41366085), (620, 33092868), (744, 27577390), (821, 24990960), (930, 22061912), (1240, 16546434), (1488, 13788695), (1642, 12495480), (1860, 11030956), (2463, 8330320), (2480, 8273217), (3284, 6247740), (3359, 6108240), (3720, 5515478), (4105, 4998192), (4926, 4165160), (6568, 3123870), (6718, 3054120), (7440, 2757739), (8210, 2499096), (9852, 2082580), (10077, 2036080), (12315, 1666064), (13136, 1561935), (13436, 1527060), (16420, 1249548), (16795, 1221648), (19704, 1041290), (20154, 1018040), (24630, 833032), (25451, 806160), (26872, 763530), (32840, 624774), (33590, 610824), (39408, 520645), (40308, 509020), (49260, 416516), (50385, 407216), (50902, 403080), (53744, 381765), (65680, 312387), (67180, 305412), (76353, 268720), (80616, 254510), (98520, 208258), (100770, 203608), (101804, 201540), (104129, 197040), (127255, 161232), (134360, 152706)]