20161247460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1882

約数の個数: 192

約数和(自身を含む): 59828600832

約数和(自身を除く): 39667353372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 43, 60, 74, 86, 111, 127, 129, 148, 172, 185, 215, 222, 254, 258, 370, 381, 430, 444, 508, 516, 555, 635, 645, 740, 762, 860, 1110, 1270, 1290, 1524, 1591, 1663, 1905, 2220, 2540, 2580, 3182, 3326, 3810, 4699, 4773, 4989, 5461, 6364, 6652, 7620, 7955, 8315, 9398, 9546, 9978, 10922, 14097, 15910, 16383, 16630, 18796, 19092, 19956, 21844, 23495, 23865, 24945, 27305, 28194, 31820, 32766, 33260, 46990, 47730, 49890, 54610, 56388, 61531, 65532, 70485, 71509, 81915, 93980, 95460, 99780, 109220, 123062, 140970, 143018, 163830, 184593, 202057, 211201, 214527, 246124, 281940, 286036, 307655, 327660, 357545, 369186, 404114, 422402, 429054, 606171, 615310, 633603, 715090, 738372, 808228, 844804, 858108, 922965, 1010285, 1056005, 1072635, 1212342, 1230620, 1267206, 1430180, 1845930, 2020570, 2112010, 2145270, 2424684, 2534412, 2645833, 3030855, 3168015, 3691860, 4041140, 4224020, 4290540, 5291666, 6061710, 6336030, 7814437, 7937499, 9081643, 10583332, 12123420, 12672060, 13229165, 15628874, 15874998, 18163286, 23443311, 26458330, 27244929, 31257748, 31749996, 36326572, 39072185, 39687495, 45408215, 46886622, 52916660, 54489858, 78144370, 79374990, 90816430, 93773244, 108979716, 117216555, 136224645, 156288740, 158749980, 181632860, 234433110, 272449290, 336020791, 468866220, 544898580, 672041582, 1008062373, 1344083164, 1680103955, 2016124746, 3360207910, 4032249492, 5040311865, 6720415820, 10080623730, 20161247460]

約数ペア:

[(1, 20161247460), (2, 10080623730), (3, 6720415820), (4, 5040311865), (5, 4032249492), (6, 3360207910), (10, 2016124746), (12, 1680103955), (15, 1344083164), (20, 1008062373), (30, 672041582), (37, 544898580), (43, 468866220), (60, 336020791), (74, 272449290), (86, 234433110), (111, 181632860), (127, 158749980), (129, 156288740), (148, 136224645), (172, 117216555), (185, 108979716), (215, 93773244), (222, 90816430), (254, 79374990), (258, 78144370), (370, 54489858), (381, 52916660), (430, 46886622), (444, 45408215), (508, 39687495), (516, 39072185), (555, 36326572), (635, 31749996), (645, 31257748), (740, 27244929), (762, 26458330), (860, 23443311), (1110, 18163286), (1270, 15874998), (1290, 15628874), (1524, 13229165), (1591, 12672060), (1663, 12123420), (1905, 10583332), (2220, 9081643), (2540, 7937499), (2580, 7814437), (3182, 6336030), (3326, 6061710), (3810, 5291666), (4699, 4290540), (4773, 4224020), (4989, 4041140), (5461, 3691860), (6364, 3168015), (6652, 3030855), (7620, 2645833), (7955, 2534412), (8315, 2424684), (9398, 2145270), (9546, 2112010), (9978, 2020570), (10922, 1845930), (14097, 1430180), (15910, 1267206), (16383, 1230620), (16630, 1212342), (18796, 1072635), (19092, 1056005), (19956, 1010285), (21844, 922965), (23495, 858108), (23865, 844804), (24945, 808228), (27305, 738372), (28194, 715090), (31820, 633603), (32766, 615310), (33260, 606171), (46990, 429054), (47730, 422402), (49890, 404114), (54610, 369186), (56388, 357545), (61531, 327660), (65532, 307655), (70485, 286036), (71509, 281940), (81915, 246124), (93980, 214527), (95460, 211201), (99780, 202057), (109220, 184593), (123062, 163830), (140970, 143018)]