26840730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 81505440

約数和(自身を除く): 54664710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 49, 57, 62, 70, 93, 95, 98, 105, 114, 133, 147, 155, 186, 190, 210, 217, 245, 266, 285, 294, 310, 399, 434, 465, 490, 570, 589, 651, 665, 735, 798, 930, 931, 961, 1085, 1178, 1302, 1330, 1470, 1519, 1767, 1862, 1922, 1995, 2170, 2793, 2883, 2945, 3038, 3255, 3534, 3990, 4123, 4557, 4655, 4805, 5586, 5766, 5890, 6510, 6727, 7595, 8246, 8835, 9114, 9310, 9610, 12369, 13454, 13965, 14415, 15190, 17670, 18259, 20181, 20615, 22785, 24738, 27930, 28830, 28861, 33635, 36518, 40362, 41230, 45570, 47089, 54777, 57722, 61845, 67270, 86583, 91295, 94178, 100905, 109554, 123690, 127813, 141267, 144305, 173166, 182590, 201810, 235445, 255626, 273885, 282534, 288610, 383439, 432915, 470890, 547770, 639065, 706335, 766878, 865830, 894691, 1278130, 1412670, 1789382, 1917195, 2684073, 3834390, 4473455, 5368146, 8946910, 13420365, 26840730]

約数ペア:

[(1, 26840730), (2, 13420365), (3, 8946910), (5, 5368146), (6, 4473455), (7, 3834390), (10, 2684073), (14, 1917195), (15, 1789382), (19, 1412670), (21, 1278130), (30, 894691), (31, 865830), (35, 766878), (38, 706335), (42, 639065), (49, 547770), (57, 470890), (62, 432915), (70, 383439), (93, 288610), (95, 282534), (98, 273885), (105, 255626), (114, 235445), (133, 201810), (147, 182590), (155, 173166), (186, 144305), (190, 141267), (210, 127813), (217, 123690), (245, 109554), (266, 100905), (285, 94178), (294, 91295), (310, 86583), (399, 67270), (434, 61845), (465, 57722), (490, 54777), (570, 47089), (589, 45570), (651, 41230), (665, 40362), (735, 36518), (798, 33635), (930, 28861), (931, 28830), (961, 27930), (1085, 24738), (1178, 22785), (1302, 20615), (1330, 20181), (1470, 18259), (1519, 17670), (1767, 15190), (1862, 14415), (1922, 13965), (1995, 13454), (2170, 12369), (2793, 9610), (2883, 9310), (2945, 9114), (3038, 8835), (3255, 8246), (3534, 7595), (3990, 6727), (4123, 6510), (4557, 5890), (4655, 5766), (4805, 5586)]