128125480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:587

約数の個数: 128

約数和(自身を含む): 352512000

約数和(自身を除く): 224386520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 509, 580, 620, 812, 868, 899, 1015, 1018, 1085, 1160, 1240, 1624, 1736, 1798, 2030, 2036, 2170, 2545, 3563, 3596, 4060, 4072, 4340, 4495, 5090, 6293, 7126, 7192, 8120, 8680, 8990, 10180, 12586, 14252, 14761, 15779, 17815, 17980, 20360, 25172, 28504, 29522, 31465, 31558, 35630, 35960, 50344, 59044, 62930, 63116, 71260, 73805, 78895, 103327, 110453, 118088, 125860, 126232, 142520, 147610, 157790, 206654, 220906, 251720, 295220, 315580, 413308, 441812, 457591, 516635, 552265, 590440, 631160, 826616, 883624, 915182, 1033270, 1104530, 1830364, 2066540, 2209060, 2287955, 3203137, 3660728, 4133080, 4418120, 4575910, 6406274, 9151820, 12812548, 16015685, 18303640, 25625096, 32031370, 64062740, 128125480]

約数ペア:

[(1, 128125480), (2, 64062740), (4, 32031370), (5, 25625096), (7, 18303640), (8, 16015685), (10, 12812548), (14, 9151820), (20, 6406274), (28, 4575910), (29, 4418120), (31, 4133080), (35, 3660728), (40, 3203137), (56, 2287955), (58, 2209060), (62, 2066540), (70, 1830364), (116, 1104530), (124, 1033270), (140, 915182), (145, 883624), (155, 826616), (203, 631160), (217, 590440), (232, 552265), (248, 516635), (280, 457591), (290, 441812), (310, 413308), (406, 315580), (434, 295220), (509, 251720), (580, 220906), (620, 206654), (812, 157790), (868, 147610), (899, 142520), (1015, 126232), (1018, 125860), (1085, 118088), (1160, 110453), (1240, 103327), (1624, 78895), (1736, 73805), (1798, 71260), (2030, 63116), (2036, 62930), (2170, 59044), (2545, 50344), (3563, 35960), (3596, 35630), (4060, 31558), (4072, 31465), (4340, 29522), (4495, 28504), (5090, 25172), (6293, 20360), (7126, 17980), (7192, 17815), (8120, 15779), (8680, 14761), (8990, 14252), (10180, 12586)]