71920940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 190417920

約数和(自身を除く): 118496980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 919, 1118, 1204, 1505, 1820, 1838, 2236, 2795, 3010, 3676, 3913, 4595, 5590, 6020, 6433, 7826, 9190, 11180, 11947, 12866, 15652, 18380, 19565, 23894, 25732, 32165, 39130, 39517, 47788, 59735, 64330, 78260, 79034, 83629, 119470, 128660, 158068, 167258, 197585, 238940, 276619, 334516, 395170, 418145, 513721, 553238, 790340, 836290, 1027442, 1106476, 1383095, 1672580, 2054884, 2568605, 2766190, 3596047, 5137210, 5532380, 7192094, 10274420, 14384188, 17980235, 35960470, 71920940]

約数ペア:

[(1, 71920940), (2, 35960470), (4, 17980235), (5, 14384188), (7, 10274420), (10, 7192094), (13, 5532380), (14, 5137210), (20, 3596047), (26, 2766190), (28, 2568605), (35, 2054884), (43, 1672580), (52, 1383095), (65, 1106476), (70, 1027442), (86, 836290), (91, 790340), (130, 553238), (140, 513721), (172, 418145), (182, 395170), (215, 334516), (260, 276619), (301, 238940), (364, 197585), (430, 167258), (455, 158068), (559, 128660), (602, 119470), (860, 83629), (910, 79034), (919, 78260), (1118, 64330), (1204, 59735), (1505, 47788), (1820, 39517), (1838, 39130), (2236, 32165), (2795, 25732), (3010, 23894), (3676, 19565), (3913, 18380), (4595, 15652), (5590, 12866), (6020, 11947), (6433, 11180), (7826, 9190)]