164087980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 415134720

約数和(自身を除く): 251046740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 131, 140, 161, 230, 262, 322, 389, 460, 524, 644, 655, 778, 805, 917, 1310, 1556, 1610, 1834, 1945, 2620, 2723, 3013, 3220, 3668, 3890, 4585, 5446, 6026, 7780, 8947, 9170, 10892, 12052, 13615, 15065, 17894, 18340, 21091, 27230, 30130, 35788, 42182, 44735, 50959, 54460, 60260, 62629, 84364, 89470, 101918, 105455, 125258, 178940, 203836, 210910, 250516, 254795, 313145, 356713, 421820, 509590, 626290, 713426, 1019180, 1172057, 1252580, 1426852, 1783565, 2344114, 3567130, 4688228, 5860285, 7134260, 8204399, 11720570, 16408798, 23441140, 32817596, 41021995, 82043990, 164087980]

約数ペア:

[(1, 164087980), (2, 82043990), (4, 41021995), (5, 32817596), (7, 23441140), (10, 16408798), (14, 11720570), (20, 8204399), (23, 7134260), (28, 5860285), (35, 4688228), (46, 3567130), (70, 2344114), (92, 1783565), (115, 1426852), (131, 1252580), (140, 1172057), (161, 1019180), (230, 713426), (262, 626290), (322, 509590), (389, 421820), (460, 356713), (524, 313145), (644, 254795), (655, 250516), (778, 210910), (805, 203836), (917, 178940), (1310, 125258), (1556, 105455), (1610, 101918), (1834, 89470), (1945, 84364), (2620, 62629), (2723, 60260), (3013, 54460), (3220, 50959), (3668, 44735), (3890, 42182), (4585, 35788), (5446, 30130), (6026, 27230), (7780, 21091), (8947, 18340), (9170, 17894), (10892, 15065), (12052, 13615)]