217922560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1429

約数の個数: 88

約数和(自身を含む): 540014976

約数和(自身を除く): 322092416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1373, 1984, 2480, 2560, 2746, 3968, 4960, 5120, 5492, 6865, 7936, 9920, 10984, 13730, 15872, 19840, 21968, 27460, 31744, 39680, 42563, 43936, 54920, 79360, 85126, 87872, 109840, 158720, 170252, 175744, 212815, 219680, 340504, 351488, 425630, 439360, 681008, 702976, 851260, 878720, 1362016, 1405952, 1702520, 1757440, 2724032, 3405040, 3514880, 5448064, 6810080, 7029760, 10896128, 13620160, 21792256, 27240320, 43584512, 54480640, 108961280, 217922560]

約数ペア:

[(1, 217922560), (2, 108961280), (4, 54480640), (5, 43584512), (8, 27240320), (10, 21792256), (16, 13620160), (20, 10896128), (31, 7029760), (32, 6810080), (40, 5448064), (62, 3514880), (64, 3405040), (80, 2724032), (124, 1757440), (128, 1702520), (155, 1405952), (160, 1362016), (248, 878720), (256, 851260), (310, 702976), (320, 681008), (496, 439360), (512, 425630), (620, 351488), (640, 340504), (992, 219680), (1024, 212815), (1240, 175744), (1280, 170252), (1373, 158720), (1984, 109840), (2480, 87872), (2560, 85126), (2746, 79360), (3968, 54920), (4960, 43936), (5120, 42563), (5492, 39680), (6865, 31744), (7936, 27460), (9920, 21968), (10984, 19840), (13730, 15872)]