156682160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 375205152

約数和(自身を除く): 218522992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 97, 122, 194, 244, 305, 331, 388, 485, 488, 610, 662, 776, 970, 976, 1220, 1324, 1552, 1655, 1940, 2440, 2648, 3310, 3880, 4880, 5296, 5917, 6620, 7760, 11834, 13240, 20191, 23668, 26480, 29585, 32107, 40382, 47336, 59170, 64214, 80764, 94672, 100955, 118340, 128428, 160535, 161528, 201910, 236680, 256856, 321070, 323056, 403820, 473360, 513712, 642140, 807640, 1284280, 1615280, 1958527, 2568560, 3917054, 7834108, 9792635, 15668216, 19585270, 31336432, 39170540, 78341080, 156682160]

約数ペア:

[(1, 156682160), (2, 78341080), (4, 39170540), (5, 31336432), (8, 19585270), (10, 15668216), (16, 9792635), (20, 7834108), (40, 3917054), (61, 2568560), (80, 1958527), (97, 1615280), (122, 1284280), (194, 807640), (244, 642140), (305, 513712), (331, 473360), (388, 403820), (485, 323056), (488, 321070), (610, 256856), (662, 236680), (776, 201910), (970, 161528), (976, 160535), (1220, 128428), (1324, 118340), (1552, 100955), (1655, 94672), (1940, 80764), (2440, 64214), (2648, 59170), (3310, 47336), (3880, 40382), (4880, 32107), (5296, 29585), (5917, 26480), (6620, 23668), (7760, 20191), (11834, 13240)]