15791580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 55770624

約数和(自身を除く): 39979044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 151, 166, 180, 210, 249, 252, 302, 315, 332, 415, 420, 453, 498, 581, 604, 630, 747, 755, 830, 906, 996, 1057, 1162, 1245, 1260, 1359, 1494, 1510, 1660, 1743, 1812, 2114, 2265, 2324, 2490, 2718, 2905, 2988, 3020, 3171, 3486, 3735, 4228, 4530, 4980, 5229, 5285, 5436, 5810, 6342, 6795, 6972, 7470, 8715, 9060, 9513, 10458, 10570, 11620, 12533, 12684, 13590, 14940, 15855, 17430, 19026, 20916, 21140, 25066, 26145, 27180, 31710, 34860, 37599, 38052, 47565, 50132, 52290, 62665, 63420, 75198, 87731, 95130, 104580, 112797, 125330, 150396, 175462, 187995, 190260, 225594, 250660, 263193, 350924, 375990, 438655, 451188, 526386, 563985, 751980, 789579, 877310, 1052772, 1127970, 1315965, 1579158, 1754620, 2255940, 2631930, 3158316, 3947895, 5263860, 7895790, 15791580]

約数ペア:

[(1, 15791580), (2, 7895790), (3, 5263860), (4, 3947895), (5, 3158316), (6, 2631930), (7, 2255940), (9, 1754620), (10, 1579158), (12, 1315965), (14, 1127970), (15, 1052772), (18, 877310), (20, 789579), (21, 751980), (28, 563985), (30, 526386), (35, 451188), (36, 438655), (42, 375990), (45, 350924), (60, 263193), (63, 250660), (70, 225594), (83, 190260), (84, 187995), (90, 175462), (105, 150396), (126, 125330), (140, 112797), (151, 104580), (166, 95130), (180, 87731), (210, 75198), (249, 63420), (252, 62665), (302, 52290), (315, 50132), (332, 47565), (415, 38052), (420, 37599), (453, 34860), (498, 31710), (581, 27180), (604, 26145), (630, 25066), (747, 21140), (755, 20916), (830, 19026), (906, 17430), (996, 15855), (1057, 14940), (1162, 13590), (1245, 12684), (1260, 12533), (1359, 11620), (1494, 10570), (1510, 10458), (1660, 9513), (1743, 9060), (1812, 8715), (2114, 7470), (2265, 6972), (2324, 6795), (2490, 6342), (2718, 5810), (2905, 5436), (2988, 5285), (3020, 5229), (3171, 4980), (3486, 4530), (3735, 4228)]