90015660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 314496000

約数和(自身を除く): 224480340

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, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 359, 398, 420, 597, 630, 718, 796, 995, 1077, 1194, 1260, 1393, 1436, 1791, 1795, 1990, 2154, 2388, 2513, 2786, 2985, 3231, 3582, 3590, 3980, 4179, 4308, 5026, 5385, 5572, 5970, 6462, 6965, 7164, 7180, 7539, 8358, 8955, 10052, 10770, 11940, 12537, 12565, 12924, 13930, 15078, 16155, 16716, 17910, 20895, 21540, 22617, 25074, 25130, 27860, 30156, 32310, 35820, 37695, 41790, 45234, 50148, 50260, 62685, 64620, 71441, 75390, 83580, 90468, 113085, 125370, 142882, 150780, 214323, 226170, 250740, 285764, 357205, 428646, 452340, 500087, 642969, 714410, 857292, 1000174, 1071615, 1285938, 1428820, 1500261, 2000348, 2143230, 2500435, 2571876, 3000522, 3214845, 4286460, 4500783, 5000870, 6001044, 6429690, 7501305, 9001566, 10001740, 12859380, 15002610, 18003132, 22503915, 30005220, 45007830, 90015660]

約数ペア:

[(1, 90015660), (2, 45007830), (3, 30005220), (4, 22503915), (5, 18003132), (6, 15002610), (7, 12859380), (9, 10001740), (10, 9001566), (12, 7501305), (14, 6429690), (15, 6001044), (18, 5000870), (20, 4500783), (21, 4286460), (28, 3214845), (30, 3000522), (35, 2571876), (36, 2500435), (42, 2143230), (45, 2000348), (60, 1500261), (63, 1428820), (70, 1285938), (84, 1071615), (90, 1000174), (105, 857292), (126, 714410), (140, 642969), (180, 500087), (199, 452340), (210, 428646), (252, 357205), (315, 285764), (359, 250740), (398, 226170), (420, 214323), (597, 150780), (630, 142882), (718, 125370), (796, 113085), (995, 90468), (1077, 83580), (1194, 75390), (1260, 71441), (1393, 64620), (1436, 62685), (1791, 50260), (1795, 50148), (1990, 45234), (2154, 41790), (2388, 37695), (2513, 35820), (2786, 32310), (2985, 30156), (3231, 27860), (3582, 25130), (3590, 25074), (3980, 22617), (4179, 21540), (4308, 20895), (5026, 17910), (5385, 16716), (5572, 16155), (5970, 15078), (6462, 13930), (6965, 12924), (7164, 12565), (7180, 12537), (7539, 11940), (8358, 10770), (8955, 10052)]