155208060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:840

約数の個数: 144

約数和(自身を含む): 541632000

約数和(自身を除く): 386423940

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, 398, 420, 597, 619, 630, 796, 995, 1194, 1238, 1260, 1393, 1791, 1857, 1990, 2388, 2476, 2786, 2985, 3095, 3582, 3714, 3980, 4179, 4333, 5571, 5572, 5970, 6190, 6965, 7164, 7428, 8358, 8666, 8955, 9285, 11142, 11940, 12380, 12537, 12999, 13930, 16716, 17332, 17910, 18570, 20895, 21665, 22284, 25074, 25998, 27855, 27860, 35820, 37140, 38997, 41790, 43330, 50148, 51996, 55710, 62685, 64995, 77994, 83580, 86660, 111420, 123181, 125370, 129990, 155988, 194985, 246362, 250740, 259980, 369543, 389970, 492724, 615905, 739086, 779940, 862267, 1108629, 1231810, 1478172, 1724534, 1847715, 2217258, 2463620, 2586801, 3449068, 3695430, 4311335, 4434516, 5173602, 5543145, 7390860, 7760403, 8622670, 10347204, 11086290, 12934005, 15520806, 17245340, 22172580, 25868010, 31041612, 38802015, 51736020, 77604030, 155208060]

約数ペア:

[(1, 155208060), (2, 77604030), (3, 51736020), (4, 38802015), (5, 31041612), (6, 25868010), (7, 22172580), (9, 17245340), (10, 15520806), (12, 12934005), (14, 11086290), (15, 10347204), (18, 8622670), (20, 7760403), (21, 7390860), (28, 5543145), (30, 5173602), (35, 4434516), (36, 4311335), (42, 3695430), (45, 3449068), (60, 2586801), (63, 2463620), (70, 2217258), (84, 1847715), (90, 1724534), (105, 1478172), (126, 1231810), (140, 1108629), (180, 862267), (199, 779940), (210, 739086), (252, 615905), (315, 492724), (398, 389970), (420, 369543), (597, 259980), (619, 250740), (630, 246362), (796, 194985), (995, 155988), (1194, 129990), (1238, 125370), (1260, 123181), (1393, 111420), (1791, 86660), (1857, 83580), (1990, 77994), (2388, 64995), (2476, 62685), (2786, 55710), (2985, 51996), (3095, 50148), (3582, 43330), (3714, 41790), (3980, 38997), (4179, 37140), (4333, 35820), (5571, 27860), (5572, 27855), (5970, 25998), (6190, 25074), (6965, 22284), (7164, 21665), (7428, 20895), (8358, 18570), (8666, 17910), (8955, 17332), (9285, 16716), (11142, 13930), (11940, 12999), (12380, 12537)]