16972620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 57915648

約数和(自身を除く): 40943028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 251, 276, 294, 322, 345, 420, 460, 483, 490, 502, 588, 644, 690, 735, 753, 805, 966, 980, 1004, 1127, 1255, 1380, 1470, 1506, 1610, 1757, 1932, 2254, 2415, 2510, 2940, 3012, 3220, 3381, 3514, 3765, 4508, 4830, 5020, 5271, 5635, 5773, 6762, 7028, 7530, 8785, 9660, 10542, 11270, 11546, 12299, 13524, 15060, 16905, 17319, 17570, 21084, 22540, 23092, 24598, 26355, 28865, 33810, 34638, 35140, 36897, 40411, 49196, 52710, 57730, 61495, 67620, 69276, 73794, 80822, 86595, 105420, 115460, 121233, 122990, 147588, 161644, 173190, 184485, 202055, 242466, 245980, 282877, 346380, 368970, 404110, 484932, 565754, 606165, 737940, 808220, 848631, 1131508, 1212330, 1414385, 1697262, 2424660, 2828770, 3394524, 4243155, 5657540, 8486310, 16972620]

約数ペア:

[(1, 16972620), (2, 8486310), (3, 5657540), (4, 4243155), (5, 3394524), (6, 2828770), (7, 2424660), (10, 1697262), (12, 1414385), (14, 1212330), (15, 1131508), (20, 848631), (21, 808220), (23, 737940), (28, 606165), (30, 565754), (35, 484932), (42, 404110), (46, 368970), (49, 346380), (60, 282877), (69, 245980), (70, 242466), (84, 202055), (92, 184485), (98, 173190), (105, 161644), (115, 147588), (138, 122990), (140, 121233), (147, 115460), (161, 105420), (196, 86595), (210, 80822), (230, 73794), (245, 69276), (251, 67620), (276, 61495), (294, 57730), (322, 52710), (345, 49196), (420, 40411), (460, 36897), (483, 35140), (490, 34638), (502, 33810), (588, 28865), (644, 26355), (690, 24598), (735, 23092), (753, 22540), (805, 21084), (966, 17570), (980, 17319), (1004, 16905), (1127, 15060), (1255, 13524), (1380, 12299), (1470, 11546), (1506, 11270), (1610, 10542), (1757, 9660), (1932, 8785), (2254, 7530), (2415, 7028), (2510, 6762), (2940, 5773), (3012, 5635), (3220, 5271), (3381, 5020), (3514, 4830), (3765, 4508)]