155580940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 370137600

約数和(自身を除く): 214556660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 31, 34, 58, 62, 68, 85, 116, 124, 145, 155, 170, 290, 310, 340, 493, 509, 527, 580, 620, 899, 986, 1018, 1054, 1798, 1972, 2036, 2108, 2465, 2545, 2635, 3596, 4495, 4930, 5090, 5270, 8653, 8990, 9860, 10180, 10540, 14761, 15283, 15779, 17306, 17980, 29522, 30566, 31558, 34612, 43265, 59044, 61132, 63116, 73805, 76415, 78895, 86530, 147610, 152830, 157790, 173060, 250937, 268243, 295220, 305660, 315580, 457591, 501874, 536486, 915182, 1003748, 1072972, 1254685, 1341215, 1830364, 2287955, 2509370, 2682430, 4575910, 5018740, 5364860, 7779047, 9151820, 15558094, 31116188, 38895235, 77790470, 155580940]

約数ペア:

[(1, 155580940), (2, 77790470), (4, 38895235), (5, 31116188), (10, 15558094), (17, 9151820), (20, 7779047), (29, 5364860), (31, 5018740), (34, 4575910), (58, 2682430), (62, 2509370), (68, 2287955), (85, 1830364), (116, 1341215), (124, 1254685), (145, 1072972), (155, 1003748), (170, 915182), (290, 536486), (310, 501874), (340, 457591), (493, 315580), (509, 305660), (527, 295220), (580, 268243), (620, 250937), (899, 173060), (986, 157790), (1018, 152830), (1054, 147610), (1798, 86530), (1972, 78895), (2036, 76415), (2108, 73805), (2465, 63116), (2545, 61132), (2635, 59044), (3596, 43265), (4495, 34612), (4930, 31558), (5090, 30566), (5270, 29522), (8653, 17980), (8990, 17306), (9860, 15779), (10180, 15283), (10540, 14761)]