215808840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 256

約数和(自身を含む): 816480000

約数和(自身を除く): 600671160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 520, 540, 570, 585, 684, 702, 741, 760, 780, 809, 855, 936, 988, 1026, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1560, 1618, 1710, 1755, 1976, 2052, 2223, 2280, 2340, 2427, 2470, 2565, 2808, 2964, 3236, 3420, 3510, 3705, 4045, 4104, 4446, 4680, 4854, 4940, 5130, 5928, 6472, 6669, 6840, 7020, 7281, 7410, 8090, 8892, 9708, 9880, 10260, 10517, 11115, 12135, 13338, 14040, 14562, 14820, 15371, 16180, 17784, 19416, 20520, 21034, 21843, 22230, 24270, 26676, 29124, 29640, 30742, 31551, 32360, 33345, 36405, 42068, 43686, 44460, 46113, 48540, 52585, 53352, 58248, 61484, 63102, 66690, 72810, 76855, 84136, 87372, 88920, 92226, 94653, 97080, 105170, 109215, 122968, 126204, 133380, 138339, 145620, 153710, 157755, 174744, 184452, 189306, 199823, 210340, 218430, 230565, 252408, 266760, 276678, 283959, 291240, 307420, 315510, 368904, 378612, 399646, 415017, 420680, 436860, 461130, 473265, 553356, 567918, 599469, 614840, 631020, 691695, 757224, 799292, 830034, 873720, 922260, 946530, 999115, 1106712, 1135836, 1198938, 1262040, 1383390, 1419795, 1598584, 1660068, 1798407, 1844520, 1893060, 1998230, 2075085, 2271672, 2397876, 2766780, 2839590, 2997345, 3320136, 3596814, 3786120, 3996460, 4150170, 4795752, 5395221, 5533560, 5679180, 5994690, 7193628, 7992920, 8300340, 8992035, 10790442, 11358360, 11989380, 14387256, 16600680, 17984070, 21580884, 23978760, 26976105, 35968140, 43161768, 53952210, 71936280, 107904420, 215808840]

約数ペア:

[(1, 215808840), (2, 107904420), (3, 71936280), (4, 53952210), (5, 43161768), (6, 35968140), (8, 26976105), (9, 23978760), (10, 21580884), (12, 17984070), (13, 16600680), (15, 14387256), (18, 11989380), (19, 11358360), (20, 10790442), (24, 8992035), (26, 8300340), (27, 7992920), (30, 7193628), (36, 5994690), (38, 5679180), (39, 5533560), (40, 5395221), (45, 4795752), (52, 4150170), (54, 3996460), (57, 3786120), (60, 3596814), (65, 3320136), (72, 2997345), (76, 2839590), (78, 2766780), (90, 2397876), (95, 2271672), (104, 2075085), (108, 1998230), (114, 1893060), (117, 1844520), (120, 1798407), (130, 1660068), (135, 1598584), (152, 1419795), (156, 1383390), (171, 1262040), (180, 1198938), (190, 1135836), (195, 1106712), (216, 999115), (228, 946530), (234, 922260), (247, 873720), (260, 830034), (270, 799292), (285, 757224), (312, 691695), (342, 631020), (351, 614840), (360, 599469), (380, 567918), (390, 553356), (456, 473265), (468, 461130), (494, 436860), (513, 420680), (520, 415017), (540, 399646), (570, 378612), (585, 368904), (684, 315510), (702, 307420), (741, 291240), (760, 283959), (780, 276678), (809, 266760), (855, 252408), (936, 230565), (988, 218430), (1026, 210340), (1080, 199823), (1140, 189306), (1170, 184452), (1235, 174744), (1368, 157755), (1404, 153710), (1482, 145620), (1560, 138339), (1618, 133380), (1710, 126204), (1755, 122968), (1976, 109215), (2052, 105170), (2223, 97080), (2280, 94653), (2340, 92226), (2427, 88920), (2470, 87372), (2565, 84136), (2808, 76855), (2964, 72810), (3236, 66690), (3420, 63102), (3510, 61484), (3705, 58248), (4045, 53352), (4104, 52585), (4446, 48540), (4680, 46113), (4854, 44460), (4940, 43686), (5130, 42068), (5928, 36405), (6472, 33345), (6669, 32360), (6840, 31551), (7020, 30742), (7281, 29640), (7410, 29124), (8090, 26676), (8892, 24270), (9708, 22230), (9880, 21843), (10260, 21034), (10517, 20520), (11115, 19416), (12135, 17784), (13338, 16180), (14040, 15371), (14562, 14820)]