248399760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{743}}^1$

素因数の和:965

約数の個数: 160

約数和(自身を含む): 885657600

約数和(自身を除く): 637257840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 560, 597, 743, 796, 840, 995, 1194, 1393, 1486, 1592, 1680, 1990, 2229, 2388, 2786, 2972, 2985, 3184, 3715, 3980, 4179, 4458, 4776, 5201, 5572, 5944, 5970, 6965, 7430, 7960, 8358, 8916, 9552, 10402, 11144, 11145, 11888, 11940, 13930, 14860, 15603, 15920, 16716, 17832, 20804, 20895, 22288, 22290, 23880, 26005, 27860, 29720, 31206, 33432, 35664, 41608, 41790, 44580, 47760, 52010, 55720, 59440, 62412, 66864, 78015, 83216, 83580, 89160, 104020, 111440, 124824, 147857, 156030, 167160, 178320, 208040, 249648, 295714, 312060, 334320, 416080, 443571, 591428, 624120, 739285, 887142, 1034999, 1182856, 1248240, 1478570, 1774284, 2069998, 2217855, 2365712, 2957140, 3104997, 3548568, 4139996, 4435710, 5174995, 5914280, 6209994, 7097136, 8279992, 8871420, 10349990, 11828560, 12419988, 15524985, 16559984, 17742840, 20699980, 24839976, 31049970, 35485680, 41399960, 49679952, 62099940, 82799920, 124199880, 248399760]

約数ペア:

[(1, 248399760), (2, 124199880), (3, 82799920), (4, 62099940), (5, 49679952), (6, 41399960), (7, 35485680), (8, 31049970), (10, 24839976), (12, 20699980), (14, 17742840), (15, 16559984), (16, 15524985), (20, 12419988), (21, 11828560), (24, 10349990), (28, 8871420), (30, 8279992), (35, 7097136), (40, 6209994), (42, 5914280), (48, 5174995), (56, 4435710), (60, 4139996), (70, 3548568), (80, 3104997), (84, 2957140), (105, 2365712), (112, 2217855), (120, 2069998), (140, 1774284), (168, 1478570), (199, 1248240), (210, 1182856), (240, 1034999), (280, 887142), (336, 739285), (398, 624120), (420, 591428), (560, 443571), (597, 416080), (743, 334320), (796, 312060), (840, 295714), (995, 249648), (1194, 208040), (1393, 178320), (1486, 167160), (1592, 156030), (1680, 147857), (1990, 124824), (2229, 111440), (2388, 104020), (2786, 89160), (2972, 83580), (2985, 83216), (3184, 78015), (3715, 66864), (3980, 62412), (4179, 59440), (4458, 55720), (4776, 52010), (5201, 47760), (5572, 44580), (5944, 41790), (5970, 41608), (6965, 35664), (7430, 33432), (7960, 31206), (8358, 29720), (8916, 27860), (9552, 26005), (10402, 23880), (11144, 22290), (11145, 22288), (11888, 20895), (11940, 20804), (13930, 17832), (14860, 16716), (15603, 15920)]