205391520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7507}}^1$

素因数の和:7547

約数の個数: 144

約数和(自身を含む): 737886240

約数和(自身を除く): 532494720

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, 7507, 9120, 13680, 15014, 22521, 27360, 30028, 37535, 45042, 60056, 67563, 75070, 90084, 112605, 120112, 135126, 142633, 150140, 180168, 225210, 240224, 270252, 285266, 300280, 337815, 360336, 427899, 450420, 540504, 570532, 600560, 675630, 713165, 720672, 855798, 900840, 1081008, 1141064, 1201120, 1283697, 1351260, 1426330, 1711596, 1801680, 2139495, 2162016, 2282128, 2567394, 2702520, 2852660, 3423192, 3603360, 4278990, 4564256, 5134788, 5405040, 5705320, 6418485, 6846384, 8557980, 10269576, 10810080, 11410640, 12836970, 13692768, 17115960, 20539152, 22821280, 25673940, 34231920, 41078304, 51347880, 68463840, 102695760, 205391520]

約数ペア:

[(1, 205391520), (2, 102695760), (3, 68463840), (4, 51347880), (5, 41078304), (6, 34231920), (8, 25673940), (9, 22821280), (10, 20539152), (12, 17115960), (15, 13692768), (16, 12836970), (18, 11410640), (19, 10810080), (20, 10269576), (24, 8557980), (30, 6846384), (32, 6418485), (36, 5705320), (38, 5405040), (40, 5134788), (45, 4564256), (48, 4278990), (57, 3603360), (60, 3423192), (72, 2852660), (76, 2702520), (80, 2567394), (90, 2282128), (95, 2162016), (96, 2139495), (114, 1801680), (120, 1711596), (144, 1426330), (152, 1351260), (160, 1283697), (171, 1201120), (180, 1141064), (190, 1081008), (228, 900840), (240, 855798), (285, 720672), (288, 713165), (304, 675630), (342, 600560), (360, 570532), (380, 540504), (456, 450420), (480, 427899), (570, 360336), (608, 337815), (684, 300280), (720, 285266), (760, 270252), (855, 240224), (912, 225210), (1140, 180168), (1368, 150140), (1440, 142633), (1520, 135126), (1710, 120112), (1824, 112605), (2280, 90084), (2736, 75070), (3040, 67563), (3420, 60056), (4560, 45042), (5472, 37535), (6840, 30028), (7507, 27360), (9120, 22521), (13680, 15014)]