51717540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{359}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 169404480

約数和(自身を除く): 117686940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 359, 420, 490, 588, 686, 718, 735, 980, 1029, 1077, 1372, 1436, 1470, 1715, 1795, 2058, 2154, 2401, 2513, 2940, 3430, 3590, 4116, 4308, 4802, 5026, 5145, 5385, 6860, 7180, 7203, 7539, 9604, 10052, 10290, 10770, 12005, 12565, 14406, 15078, 17591, 20580, 21540, 24010, 25130, 28812, 30156, 35182, 36015, 37695, 48020, 50260, 52773, 70364, 72030, 75390, 87955, 105546, 123137, 144060, 150780, 175910, 211092, 246274, 263865, 351820, 369411, 492548, 527730, 615685, 738822, 861959, 1055460, 1231370, 1477644, 1723918, 1847055, 2462740, 2585877, 3447836, 3694110, 4309795, 5171754, 7388220, 8619590, 10343508, 12929385, 17239180, 25858770, 51717540]

約数ペア:

[(1, 51717540), (2, 25858770), (3, 17239180), (4, 12929385), (5, 10343508), (6, 8619590), (7, 7388220), (10, 5171754), (12, 4309795), (14, 3694110), (15, 3447836), (20, 2585877), (21, 2462740), (28, 1847055), (30, 1723918), (35, 1477644), (42, 1231370), (49, 1055460), (60, 861959), (70, 738822), (84, 615685), (98, 527730), (105, 492548), (140, 369411), (147, 351820), (196, 263865), (210, 246274), (245, 211092), (294, 175910), (343, 150780), (359, 144060), (420, 123137), (490, 105546), (588, 87955), (686, 75390), (718, 72030), (735, 70364), (980, 52773), (1029, 50260), (1077, 48020), (1372, 37695), (1436, 36015), (1470, 35182), (1715, 30156), (1795, 28812), (2058, 25130), (2154, 24010), (2401, 21540), (2513, 20580), (2940, 17591), (3430, 15078), (3590, 14406), (4116, 12565), (4308, 12005), (4802, 10770), (5026, 10290), (5145, 10052), (5385, 9604), (6860, 7539), (7180, 7203)]