72785580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1348

約数の個数: 144

約数和(自身を含む): 249742080

約数和(自身を除く): 176956500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1303, 1330, 1470, 1596, 1862, 1995, 2606, 2660, 2793, 2940, 3724, 3909, 3990, 4655, 5212, 5586, 6515, 7818, 7980, 9121, 9310, 11172, 13030, 13965, 15636, 18242, 18620, 19545, 24757, 26060, 27363, 27930, 36484, 39090, 45605, 49514, 54726, 55860, 63847, 74271, 78180, 91210, 99028, 109452, 123785, 127694, 136815, 148542, 173299, 182420, 191541, 247570, 255388, 273630, 297084, 319235, 346598, 371355, 383082, 495140, 519897, 547260, 638470, 693196, 742710, 766164, 866495, 957705, 1039794, 1213093, 1276940, 1485420, 1732990, 1915410, 2079588, 2426186, 2599485, 3465980, 3639279, 3830820, 4852372, 5198970, 6065465, 7278558, 10397940, 12130930, 14557116, 18196395, 24261860, 36392790, 72785580]

約数ペア:

[(1, 72785580), (2, 36392790), (3, 24261860), (4, 18196395), (5, 14557116), (6, 12130930), (7, 10397940), (10, 7278558), (12, 6065465), (14, 5198970), (15, 4852372), (19, 3830820), (20, 3639279), (21, 3465980), (28, 2599485), (30, 2426186), (35, 2079588), (38, 1915410), (42, 1732990), (49, 1485420), (57, 1276940), (60, 1213093), (70, 1039794), (76, 957705), (84, 866495), (95, 766164), (98, 742710), (105, 693196), (114, 638470), (133, 547260), (140, 519897), (147, 495140), (190, 383082), (196, 371355), (210, 346598), (228, 319235), (245, 297084), (266, 273630), (285, 255388), (294, 247570), (380, 191541), (399, 182420), (420, 173299), (490, 148542), (532, 136815), (570, 127694), (588, 123785), (665, 109452), (735, 99028), (798, 91210), (931, 78180), (980, 74271), (1140, 63847), (1303, 55860), (1330, 54726), (1470, 49514), (1596, 45605), (1862, 39090), (1995, 36484), (2606, 27930), (2660, 27363), (2793, 26060), (2940, 24757), (3724, 19545), (3909, 18620), (3990, 18242), (4655, 15636), (5212, 13965), (5586, 13030), (6515, 11172), (7818, 9310), (7980, 9121)]