338480320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:426

約数の個数: 112

約数和(自身を含む): 841248000

約数和(自身を除く): 502767680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 149, 155, 160, 229, 248, 298, 310, 320, 458, 496, 596, 620, 745, 916, 992, 1145, 1192, 1240, 1490, 1832, 1984, 2290, 2384, 2480, 2980, 3664, 4580, 4619, 4768, 4960, 5960, 7099, 7328, 9160, 9238, 9536, 9920, 11920, 14198, 14656, 18320, 18476, 23095, 23840, 28396, 34121, 35495, 36640, 36952, 46190, 47680, 56792, 68242, 70990, 73280, 73904, 92380, 113584, 136484, 141980, 147808, 170605, 184760, 227168, 272968, 283960, 295616, 341210, 369520, 454336, 545936, 567920, 682420, 739040, 1057751, 1091872, 1135840, 1364840, 1478080, 2115502, 2183744, 2271680, 2729680, 4231004, 5288755, 5459360, 8462008, 10577510, 10918720, 16924016, 21155020, 33848032, 42310040, 67696064, 84620080, 169240160, 338480320]

約数ペア:

[(1, 338480320), (2, 169240160), (4, 84620080), (5, 67696064), (8, 42310040), (10, 33848032), (16, 21155020), (20, 16924016), (31, 10918720), (32, 10577510), (40, 8462008), (62, 5459360), (64, 5288755), (80, 4231004), (124, 2729680), (149, 2271680), (155, 2183744), (160, 2115502), (229, 1478080), (248, 1364840), (298, 1135840), (310, 1091872), (320, 1057751), (458, 739040), (496, 682420), (596, 567920), (620, 545936), (745, 454336), (916, 369520), (992, 341210), (1145, 295616), (1192, 283960), (1240, 272968), (1490, 227168), (1832, 184760), (1984, 170605), (2290, 147808), (2384, 141980), (2480, 136484), (2980, 113584), (3664, 92380), (4580, 73904), (4619, 73280), (4768, 70990), (4960, 68242), (5960, 56792), (7099, 47680), (7328, 46190), (9160, 36952), (9238, 36640), (9536, 35495), (9920, 34121), (11920, 28396), (14198, 23840), (14656, 23095), (18320, 18476)]