405540720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1240

約数の個数: 240

約数和(自身を含む): 1507632672

約数和(自身を除く): 1102091952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 592, 624, 666, 720, 740, 780, 888, 936, 962, 1040, 1110, 1170, 1171, 1332, 1443, 1480, 1560, 1665, 1776, 1872, 1924, 2220, 2340, 2342, 2405, 2664, 2886, 2960, 3120, 3330, 3513, 3848, 4329, 4440, 4680, 4684, 4810, 5328, 5772, 5855, 6660, 7026, 7215, 7696, 8658, 8880, 9360, 9368, 9620, 10539, 11544, 11710, 13320, 14052, 14430, 15223, 17316, 17565, 18736, 19240, 21078, 21645, 23088, 23420, 26640, 28104, 28860, 30446, 34632, 35130, 38480, 42156, 43290, 43327, 45669, 46840, 52695, 56208, 57720, 60892, 69264, 70260, 76115, 84312, 86580, 86654, 91338, 93680, 105390, 115440, 121784, 129981, 137007, 140520, 152230, 168624, 173160, 173308, 182676, 210780, 216635, 228345, 243568, 259962, 274014, 281040, 304460, 346320, 346616, 365352, 389943, 421560, 433270, 456690, 519924, 548028, 563251, 608920, 649905, 685035, 693232, 730704, 779886, 843120, 866540, 913380, 1039848, 1096056, 1126502, 1217840, 1299810, 1370070, 1559772, 1689753, 1733080, 1826760, 1949715, 2079696, 2192112, 2253004, 2599620, 2740140, 2816255, 3119544, 3379506, 3466160, 3653520, 3899430, 4506008, 5069259, 5199240, 5480280, 5632510, 6239088, 6759012, 7798860, 8448765, 9012016, 10138518, 10398480, 10960560, 11265020, 13518024, 15597720, 16897530, 20277036, 22530040, 25346295, 27036048, 31195440, 33795060, 40554072, 45060080, 50692590, 67590120, 81108144, 101385180, 135180240, 202770360, 405540720]

約数ペア:

[(1, 405540720), (2, 202770360), (3, 135180240), (4, 101385180), (5, 81108144), (6, 67590120), (8, 50692590), (9, 45060080), (10, 40554072), (12, 33795060), (13, 31195440), (15, 27036048), (16, 25346295), (18, 22530040), (20, 20277036), (24, 16897530), (26, 15597720), (30, 13518024), (36, 11265020), (37, 10960560), (39, 10398480), (40, 10138518), (45, 9012016), (48, 8448765), (52, 7798860), (60, 6759012), (65, 6239088), (72, 5632510), (74, 5480280), (78, 5199240), (80, 5069259), (90, 4506008), (104, 3899430), (111, 3653520), (117, 3466160), (120, 3379506), (130, 3119544), (144, 2816255), (148, 2740140), (156, 2599620), (180, 2253004), (185, 2192112), (195, 2079696), (208, 1949715), (222, 1826760), (234, 1733080), (240, 1689753), (260, 1559772), (296, 1370070), (312, 1299810), (333, 1217840), (360, 1126502), (370, 1096056), (390, 1039848), (444, 913380), (468, 866540), (481, 843120), (520, 779886), (555, 730704), (585, 693232), (592, 685035), (624, 649905), (666, 608920), (720, 563251), (740, 548028), (780, 519924), (888, 456690), (936, 433270), (962, 421560), (1040, 389943), (1110, 365352), (1170, 346616), (1171, 346320), (1332, 304460), (1443, 281040), (1480, 274014), (1560, 259962), (1665, 243568), (1776, 228345), (1872, 216635), (1924, 210780), (2220, 182676), (2340, 173308), (2342, 173160), (2405, 168624), (2664, 152230), (2886, 140520), (2960, 137007), (3120, 129981), (3330, 121784), (3513, 115440), (3848, 105390), (4329, 93680), (4440, 91338), (4680, 86654), (4684, 86580), (4810, 84312), (5328, 76115), (5772, 70260), (5855, 69264), (6660, 60892), (7026, 57720), (7215, 56208), (7696, 52695), (8658, 46840), (8880, 45669), (9360, 43327), (9368, 43290), (9620, 42156), (10539, 38480), (11544, 35130), (11710, 34632), (13320, 30446), (14052, 28860), (14430, 28104), (15223, 26640), (17316, 23420), (17565, 23088), (18736, 21645), (19240, 21078)]