40000978560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{32401}}^1$

素因数の和:33066

約数の個数: 128

約数和(自身を含む): 127705354560

約数和(自身を除く): 87704376000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 643, 960, 1286, 1920, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 10288, 12860, 15432, 19290, 20576, 25720, 30864, 32401, 38580, 41152, 51440, 61728, 64802, 77160, 82304, 97203, 102880, 123456, 129604, 154320, 162005, 194406, 205760, 246912, 259208, 308640, 324010, 388812, 411520, 486015, 518416, 617280, 648020, 777624, 972030, 1036832, 1234560, 1296040, 1555248, 1944060, 2073664, 2592080, 3110496, 3888120, 4147328, 5184160, 6220992, 7776240, 10368320, 12441984, 15552480, 20736640, 20833843, 31104960, 41667686, 62209920, 62501529, 83335372, 104169215, 125003058, 166670744, 208338430, 250006116, 312507645, 333341488, 416676860, 500012232, 625015290, 666682976, 833353720, 1000024464, 1250030580, 1333365952, 1666707440, 2000048928, 2500061160, 2666731904, 3333414880, 4000097856, 5000122320, 6666829760, 8000195712, 10000244640, 13333659520, 20000489280, 40000978560]

約数ペア:

[(1, 40000978560), (2, 20000489280), (3, 13333659520), (4, 10000244640), (5, 8000195712), (6, 6666829760), (8, 5000122320), (10, 4000097856), (12, 3333414880), (15, 2666731904), (16, 2500061160), (20, 2000048928), (24, 1666707440), (30, 1333365952), (32, 1250030580), (40, 1000024464), (48, 833353720), (60, 666682976), (64, 625015290), (80, 500012232), (96, 416676860), (120, 333341488), (128, 312507645), (160, 250006116), (192, 208338430), (240, 166670744), (320, 125003058), (384, 104169215), (480, 83335372), (640, 62501529), (643, 62209920), (960, 41667686), (1286, 31104960), (1920, 20833843), (1929, 20736640), (2572, 15552480), (3215, 12441984), (3858, 10368320), (5144, 7776240), (6430, 6220992), (7716, 5184160), (9645, 4147328), (10288, 3888120), (12860, 3110496), (15432, 2592080), (19290, 2073664), (20576, 1944060), (25720, 1555248), (30864, 1296040), (32401, 1234560), (38580, 1036832), (41152, 972030), (51440, 777624), (61728, 648020), (64802, 617280), (77160, 518416), (82304, 486015), (97203, 411520), (102880, 388812), (123456, 324010), (129604, 308640), (154320, 259208), (162005, 246912), (194406, 205760)]