1204257840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{19991}}^1$

素因数の和:20258

約数の個数: 80

約数和(自身を含む): 3748260096

約数和(自身を除く): 2544002256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 7530, 10040, 12048, 15060, 19991, 20080, 30120, 39982, 59973, 60240, 79964, 99955, 119946, 159928, 199910, 239892, 299865, 319856, 399820, 479784, 599730, 799640, 959568, 1199460, 1599280, 2398920, 4797840, 5017741, 10035482, 15053223, 20070964, 25088705, 30106446, 40141928, 50177410, 60212892, 75266115, 80283856, 100354820, 120425784, 150532230, 200709640, 240851568, 301064460, 401419280, 602128920, 1204257840]

約数ペア:

[(1, 1204257840), (2, 602128920), (3, 401419280), (4, 301064460), (5, 240851568), (6, 200709640), (8, 150532230), (10, 120425784), (12, 100354820), (15, 80283856), (16, 75266115), (20, 60212892), (24, 50177410), (30, 40141928), (40, 30106446), (48, 25088705), (60, 20070964), (80, 15053223), (120, 10035482), (240, 5017741), (251, 4797840), (502, 2398920), (753, 1599280), (1004, 1199460), (1255, 959568), (1506, 799640), (2008, 599730), (2510, 479784), (3012, 399820), (3765, 319856), (4016, 299865), (5020, 239892), (6024, 199910), (7530, 159928), (10040, 119946), (12048, 99955), (15060, 79964), (19991, 60240), (20080, 59973), (30120, 39982)]