123639840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4519}}^1$

素因数の和:4559

約数の個数: 144

約数和(自身を含む): 444225600

約数和(自身を除く): 320585760

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, 4519, 4560, 5472, 6840, 9038, 9120, 13557, 13680, 18076, 22595, 27114, 27360, 36152, 40671, 45190, 54228, 67785, 72304, 81342, 85861, 90380, 108456, 135570, 144608, 162684, 171722, 180760, 203355, 216912, 257583, 271140, 325368, 343444, 361520, 406710, 429305, 433824, 515166, 542280, 650736, 686888, 723040, 772749, 813420, 858610, 1030332, 1084560, 1287915, 1301472, 1373776, 1545498, 1626840, 1717220, 2060664, 2169120, 2575830, 2747552, 3090996, 3253680, 3434440, 3863745, 4121328, 5151660, 6181992, 6507360, 6868880, 7727490, 8242656, 10303320, 12363984, 13737760, 15454980, 20606640, 24727968, 30909960, 41213280, 61819920, 123639840]

約数ペア:

[(1, 123639840), (2, 61819920), (3, 41213280), (4, 30909960), (5, 24727968), (6, 20606640), (8, 15454980), (9, 13737760), (10, 12363984), (12, 10303320), (15, 8242656), (16, 7727490), (18, 6868880), (19, 6507360), (20, 6181992), (24, 5151660), (30, 4121328), (32, 3863745), (36, 3434440), (38, 3253680), (40, 3090996), (45, 2747552), (48, 2575830), (57, 2169120), (60, 2060664), (72, 1717220), (76, 1626840), (80, 1545498), (90, 1373776), (95, 1301472), (96, 1287915), (114, 1084560), (120, 1030332), (144, 858610), (152, 813420), (160, 772749), (171, 723040), (180, 686888), (190, 650736), (228, 542280), (240, 515166), (285, 433824), (288, 429305), (304, 406710), (342, 361520), (360, 343444), (380, 325368), (456, 271140), (480, 257583), (570, 216912), (608, 203355), (684, 180760), (720, 171722), (760, 162684), (855, 144608), (912, 135570), (1140, 108456), (1368, 90380), (1440, 85861), (1520, 81342), (1710, 72304), (1824, 67785), (2280, 54228), (2736, 45190), (3040, 40671), (3420, 36152), (4519, 27360), (4560, 27114), (5472, 22595), (6840, 18076), (9038, 13680), (9120, 13557)]