620620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 1806336

約数和(自身を除く): 1185716

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 44, 52, 55, 62, 65, 70, 77, 91, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 260, 286, 308, 310, 341, 364, 385, 403, 434, 455, 572, 620, 682, 715, 770, 806, 868, 910, 1001, 1085, 1364, 1430, 1540, 1612, 1705, 1820, 2002, 2015, 2170, 2387, 2821, 2860, 3410, 4004, 4030, 4340, 4433, 4774, 5005, 5642, 6820, 8060, 8866, 9548, 10010, 11284, 11935, 14105, 17732, 20020, 22165, 23870, 28210, 31031, 44330, 47740, 56420, 62062, 88660, 124124, 155155, 310310, 620620]

約数ペア:

[(1, 620620), (2, 310310), (4, 155155), (5, 124124), (7, 88660), (10, 62062), (11, 56420), (13, 47740), (14, 44330), (20, 31031), (22, 28210), (26, 23870), (28, 22165), (31, 20020), (35, 17732), (44, 14105), (52, 11935), (55, 11284), (62, 10010), (65, 9548), (70, 8866), (77, 8060), (91, 6820), (110, 5642), (124, 5005), (130, 4774), (140, 4433), (143, 4340), (154, 4030), (155, 4004), (182, 3410), (217, 2860), (220, 2821), (260, 2387), (286, 2170), (308, 2015), (310, 2002), (341, 1820), (364, 1705), (385, 1612), (403, 1540), (434, 1430), (455, 1364), (572, 1085), (620, 1001), (682, 910), (715, 868), (770, 806)]