71927440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 195987456

約数和(自身を除く): 124060016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 97, 104, 115, 124, 130, 155, 184, 194, 208, 230, 248, 260, 299, 310, 368, 388, 403, 460, 485, 496, 520, 598, 620, 713, 776, 806, 920, 970, 1040, 1196, 1240, 1261, 1426, 1495, 1552, 1612, 1840, 1940, 2015, 2231, 2392, 2480, 2522, 2852, 2990, 3007, 3224, 3565, 3880, 4030, 4462, 4784, 5044, 5704, 5980, 6014, 6305, 6448, 7130, 7760, 8060, 8924, 9269, 10088, 11155, 11408, 11960, 12028, 12610, 14260, 15035, 16120, 17848, 18538, 20176, 22310, 23920, 24056, 25220, 28520, 29003, 30070, 32240, 35696, 37076, 39091, 44620, 46345, 48112, 50440, 57040, 58006, 60140, 69161, 74152, 78182, 89240, 92690, 100880, 116012, 120280, 138322, 145015, 148304, 156364, 178480, 185380, 195455, 232024, 240560, 276644, 290030, 312728, 345805, 370760, 390910, 464048, 553288, 580060, 625456, 691610, 741520, 781820, 899093, 1106576, 1160120, 1383220, 1563640, 1798186, 2320240, 2766440, 3127280, 3596372, 4495465, 5532880, 7192744, 8990930, 14385488, 17981860, 35963720, 71927440]

約数ペア:

[(1, 71927440), (2, 35963720), (4, 17981860), (5, 14385488), (8, 8990930), (10, 7192744), (13, 5532880), (16, 4495465), (20, 3596372), (23, 3127280), (26, 2766440), (31, 2320240), (40, 1798186), (46, 1563640), (52, 1383220), (62, 1160120), (65, 1106576), (80, 899093), (92, 781820), (97, 741520), (104, 691610), (115, 625456), (124, 580060), (130, 553288), (155, 464048), (184, 390910), (194, 370760), (208, 345805), (230, 312728), (248, 290030), (260, 276644), (299, 240560), (310, 232024), (368, 195455), (388, 185380), (403, 178480), (460, 156364), (485, 148304), (496, 145015), (520, 138322), (598, 120280), (620, 116012), (713, 100880), (776, 92690), (806, 89240), (920, 78182), (970, 74152), (1040, 69161), (1196, 60140), (1240, 58006), (1261, 57040), (1426, 50440), (1495, 48112), (1552, 46345), (1612, 44620), (1840, 39091), (1940, 37076), (2015, 35696), (2231, 32240), (2392, 30070), (2480, 29003), (2522, 28520), (2852, 25220), (2990, 24056), (3007, 23920), (3224, 22310), (3565, 20176), (3880, 18538), (4030, 17848), (4462, 16120), (4784, 15035), (5044, 14260), (5704, 12610), (5980, 12028), (6014, 11960), (6305, 11408), (6448, 11155), (7130, 10088), (7760, 9269), (8060, 8924)]