85643820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{977}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 260586144

約数和(自身を除く): 174942324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 977, 1461, 1948, 1954, 2435, 2922, 2931, 3908, 4383, 4870, 4885, 5844, 5862, 7305, 8766, 8793, 9740, 9770, 11724, 14610, 14655, 17532, 17586, 19540, 21915, 29220, 29310, 35172, 43830, 43965, 58620, 87660, 87930, 175860, 475799, 951598, 1427397, 1903196, 2378995, 2854794, 4282191, 4757990, 5709588, 7136985, 8564382, 9515980, 14273970, 17128764, 21410955, 28547940, 42821910, 85643820]

約数ペア:

[(1, 85643820), (2, 42821910), (3, 28547940), (4, 21410955), (5, 17128764), (6, 14273970), (9, 9515980), (10, 8564382), (12, 7136985), (15, 5709588), (18, 4757990), (20, 4282191), (30, 2854794), (36, 2378995), (45, 1903196), (60, 1427397), (90, 951598), (180, 475799), (487, 175860), (974, 87930), (977, 87660), (1461, 58620), (1948, 43965), (1954, 43830), (2435, 35172), (2922, 29310), (2931, 29220), (3908, 21915), (4383, 19540), (4870, 17586), (4885, 17532), (5844, 14655), (5862, 14610), (7305, 11724), (8766, 9770), (8793, 9740)]