259290480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1997}}^1$

素因数の和:2554

約数の個数: 80

約数和(自身を含む): 805689504

約数和(自身を除く): 546399024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 1082, 1623, 1997, 2164, 2705, 3246, 3994, 4328, 5410, 5991, 6492, 7988, 8115, 8656, 9985, 10820, 11982, 12984, 15976, 16230, 19970, 21640, 23964, 25968, 29955, 31952, 32460, 39940, 43280, 47928, 59910, 64920, 79880, 95856, 119820, 129840, 159760, 239640, 479280, 1080377, 2160754, 3241131, 4321508, 5401885, 6482262, 8643016, 10803770, 12964524, 16205655, 17286032, 21607540, 25929048, 32411310, 43215080, 51858096, 64822620, 86430160, 129645240, 259290480]

約数ペア:

[(1, 259290480), (2, 129645240), (3, 86430160), (4, 64822620), (5, 51858096), (6, 43215080), (8, 32411310), (10, 25929048), (12, 21607540), (15, 17286032), (16, 16205655), (20, 12964524), (24, 10803770), (30, 8643016), (40, 6482262), (48, 5401885), (60, 4321508), (80, 3241131), (120, 2160754), (240, 1080377), (541, 479280), (1082, 239640), (1623, 159760), (1997, 129840), (2164, 119820), (2705, 95856), (3246, 79880), (3994, 64920), (4328, 59910), (5410, 47928), (5991, 43280), (6492, 39940), (7988, 32460), (8115, 31952), (8656, 29955), (9985, 25968), (10820, 23964), (11982, 21640), (12984, 19970), (15976, 16230)]