379680560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21922

約数の個数: 80

約数和(自身を含む): 1041457152

約数和(自身を除く): 661776592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 21871, 43742, 87484, 109355, 153097, 174968, 218710, 306194, 349936, 437420, 612388, 678001, 765485, 874840, 1224776, 1356002, 1530970, 1749680, 2449552, 2712004, 3061940, 3390005, 4746007, 5424008, 6123880, 6780010, 9492014, 10848016, 12247760, 13560020, 18984028, 23730035, 27120040, 37968056, 47460070, 54240080, 75936112, 94920140, 189840280, 379680560]

約数ペア:

[(1, 379680560), (2, 189840280), (4, 94920140), (5, 75936112), (7, 54240080), (8, 47460070), (10, 37968056), (14, 27120040), (16, 23730035), (20, 18984028), (28, 13560020), (31, 12247760), (35, 10848016), (40, 9492014), (56, 6780010), (62, 6123880), (70, 5424008), (80, 4746007), (112, 3390005), (124, 3061940), (140, 2712004), (155, 2449552), (217, 1749680), (248, 1530970), (280, 1356002), (310, 1224776), (434, 874840), (496, 765485), (560, 678001), (620, 612388), (868, 437420), (1085, 349936), (1240, 306194), (1736, 218710), (2170, 174968), (2480, 153097), (3472, 109355), (4340, 87484), (8680, 43742), (17360, 21871)]