1282720140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:473

約数の個数: 216

約数和(自身を含む): 4256506800

約数和(自身を除く): 2973786660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 149, 156, 169, 180, 195, 234, 260, 283, 298, 338, 390, 447, 468, 507, 566, 585, 596, 676, 745, 780, 845, 849, 894, 1014, 1132, 1170, 1341, 1415, 1490, 1521, 1690, 1698, 1788, 1937, 2028, 2235, 2340, 2535, 2547, 2682, 2830, 2980, 3042, 3380, 3396, 3679, 3874, 4245, 4470, 5070, 5094, 5364, 5660, 5811, 6084, 6705, 7358, 7605, 7748, 8490, 8940, 9685, 10140, 10188, 11037, 11622, 12735, 13410, 14716, 15210, 16980, 17433, 18395, 19370, 22074, 23244, 25181, 25470, 26820, 29055, 30420, 33111, 34866, 36790, 38740, 42167, 44148, 47827, 50362, 50940, 55185, 58110, 66222, 69732, 73580, 75543, 84334, 87165, 95654, 100724, 110370, 116220, 125905, 126501, 132444, 143481, 151086, 165555, 168668, 174330, 191308, 210835, 220740, 226629, 239135, 251810, 253002, 286962, 302172, 331110, 348660, 377715, 379503, 421670, 430443, 453258, 478270, 503620, 506004, 548171, 573924, 632505, 662220, 717405, 755430, 759006, 843340, 860886, 906516, 956540, 1096342, 1133145, 1265010, 1434810, 1510860, 1518012, 1644513, 1721772, 1897515, 2152215, 2192684, 2266290, 2530020, 2740855, 2869620, 3289026, 3795030, 4304430, 4532580, 4933539, 5481710, 6578052, 7126223, 7590060, 8222565, 8608860, 9867078, 10963420, 14252446, 16445130, 19734156, 21378669, 24667695, 28504892, 32890260, 35631115, 42757338, 49335390, 64136007, 71262230, 85514676, 98670780, 106893345, 128272014, 142524460, 213786690, 256544028, 320680035, 427573380, 641360070, 1282720140]

約数ペア:

[(1, 1282720140), (2, 641360070), (3, 427573380), (4, 320680035), (5, 256544028), (6, 213786690), (9, 142524460), (10, 128272014), (12, 106893345), (13, 98670780), (15, 85514676), (18, 71262230), (20, 64136007), (26, 49335390), (30, 42757338), (36, 35631115), (39, 32890260), (45, 28504892), (52, 24667695), (60, 21378669), (65, 19734156), (78, 16445130), (90, 14252446), (117, 10963420), (130, 9867078), (149, 8608860), (156, 8222565), (169, 7590060), (180, 7126223), (195, 6578052), (234, 5481710), (260, 4933539), (283, 4532580), (298, 4304430), (338, 3795030), (390, 3289026), (447, 2869620), (468, 2740855), (507, 2530020), (566, 2266290), (585, 2192684), (596, 2152215), (676, 1897515), (745, 1721772), (780, 1644513), (845, 1518012), (849, 1510860), (894, 1434810), (1014, 1265010), (1132, 1133145), (1170, 1096342), (1341, 956540), (1415, 906516), (1490, 860886), (1521, 843340), (1690, 759006), (1698, 755430), (1788, 717405), (1937, 662220), (2028, 632505), (2235, 573924), (2340, 548171), (2535, 506004), (2547, 503620), (2682, 478270), (2830, 453258), (2980, 430443), (3042, 421670), (3380, 379503), (3396, 377715), (3679, 348660), (3874, 331110), (4245, 302172), (4470, 286962), (5070, 253002), (5094, 251810), (5364, 239135), (5660, 226629), (5811, 220740), (6084, 210835), (6705, 191308), (7358, 174330), (7605, 168668), (7748, 165555), (8490, 151086), (8940, 143481), (9685, 132444), (10140, 126501), (10188, 125905), (11037, 116220), (11622, 110370), (12735, 100724), (13410, 95654), (14716, 87165), (15210, 84334), (16980, 75543), (17433, 73580), (18395, 69732), (19370, 66222), (22074, 58110), (23244, 55185), (25181, 50940), (25470, 50362), (26820, 47827), (29055, 44148), (30420, 42167), (33111, 38740), (34866, 36790)]