639375840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23369}}^1$

素因数の和:23409

約数の個数: 144

約数和(自身を含む): 2296803600

約数和(自身を除く): 1657427760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 13680, 23369, 27360, 46738, 70107, 93476, 116845, 140214, 186952, 210321, 233690, 280428, 350535, 373904, 420642, 444011, 467380, 560856, 701070, 747808, 841284, 888022, 934760, 1051605, 1121712, 1332033, 1402140, 1682568, 1776044, 1869520, 2103210, 2220055, 2243424, 2664066, 2804280, 3365136, 3552088, 3739040, 3996099, 4206420, 4440110, 5328132, 5608560, 6660165, 6730272, 7104176, 7992198, 8412840, 8880220, 10656264, 11217120, 13320330, 14208352, 15984396, 16825680, 17760440, 19980495, 21312528, 26640660, 31968792, 33651360, 35520880, 39960990, 42625056, 53281320, 63937584, 71041760, 79921980, 106562640, 127875168, 159843960, 213125280, 319687920, 639375840]

約数ペア:

[(1, 639375840), (2, 319687920), (3, 213125280), (4, 159843960), (5, 127875168), (6, 106562640), (8, 79921980), (9, 71041760), (10, 63937584), (12, 53281320), (15, 42625056), (16, 39960990), (18, 35520880), (19, 33651360), (20, 31968792), (24, 26640660), (30, 21312528), (32, 19980495), (36, 17760440), (38, 16825680), (40, 15984396), (45, 14208352), (48, 13320330), (57, 11217120), (60, 10656264), (72, 8880220), (76, 8412840), (80, 7992198), (90, 7104176), (95, 6730272), (96, 6660165), (114, 5608560), (120, 5328132), (144, 4440110), (152, 4206420), (160, 3996099), (171, 3739040), (180, 3552088), (190, 3365136), (228, 2804280), (240, 2664066), (285, 2243424), (288, 2220055), (304, 2103210), (342, 1869520), (360, 1776044), (380, 1682568), (456, 1402140), (480, 1332033), (570, 1121712), (608, 1051605), (684, 934760), (720, 888022), (760, 841284), (855, 747808), (912, 701070), (1140, 560856), (1368, 467380), (1440, 444011), (1520, 420642), (1710, 373904), (1824, 350535), (2280, 280428), (2736, 233690), (3040, 210321), (3420, 186952), (4560, 140214), (5472, 116845), (6840, 93476), (9120, 70107), (13680, 46738), (23369, 27360)]