18203140480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131071}}^1$

素因数の和:131128

約数の個数: 128

約数和(自身を含む): 51338280960

約数和(自身を除く): 33135140480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 13888, 17360, 19840, 27776, 34720, 69440, 131071, 138880, 262142, 524284, 655355, 917497, 1048568, 1310710, 1834994, 2097136, 2621420, 3669988, 4063201, 4194272, 4587485, 5242840, 7339976, 8126402, 8388544, 9174970, 10485680, 14679952, 16252804, 16777088, 18349940, 20316005, 20971360, 28442407, 29359904, 32505608, 36699880, 40632010, 41942720, 56884814, 58719808, 65011216, 73399760, 81264020, 83885440, 113769628, 117439616, 130022432, 142212035, 146799520, 162528040, 227539256, 260044864, 284424070, 293599040, 325056080, 455078512, 520089728, 568848140, 587198080, 650112160, 910157024, 1137696280, 1300224320, 1820314048, 2275392560, 2600448640, 3640628096, 4550785120, 9101570240, 18203140480]

約数ペア:

[(1, 18203140480), (2, 9101570240), (4, 4550785120), (5, 3640628096), (7, 2600448640), (8, 2275392560), (10, 1820314048), (14, 1300224320), (16, 1137696280), (20, 910157024), (28, 650112160), (31, 587198080), (32, 568848140), (35, 520089728), (40, 455078512), (56, 325056080), (62, 293599040), (64, 284424070), (70, 260044864), (80, 227539256), (112, 162528040), (124, 146799520), (128, 142212035), (140, 130022432), (155, 117439616), (160, 113769628), (217, 83885440), (224, 81264020), (248, 73399760), (280, 65011216), (310, 58719808), (320, 56884814), (434, 41942720), (448, 40632010), (496, 36699880), (560, 32505608), (620, 29359904), (640, 28442407), (868, 20971360), (896, 20316005), (992, 18349940), (1085, 16777088), (1120, 16252804), (1240, 14679952), (1736, 10485680), (1984, 9174970), (2170, 8388544), (2240, 8126402), (2480, 7339976), (3472, 5242840), (3968, 4587485), (4340, 4194272), (4480, 4063201), (4960, 3669988), (6944, 2621420), (8680, 2097136), (9920, 1834994), (13888, 1310710), (17360, 1048568), (19840, 917497), (27776, 655355), (34720, 524284), (69440, 262142), (131071, 138880)]