128465730

素因数分解:

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

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 343630080

約数和(自身を除く): 215164350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 487, 974, 977, 1461, 1954, 2435, 2922, 2931, 4383, 4870, 4885, 5862, 7305, 8766, 8793, 9770, 13149, 14610, 14655, 17586, 21915, 26298, 26379, 29310, 43830, 43965, 52758, 65745, 87930, 131490, 131895, 263790, 475799, 951598, 1427397, 2378995, 2854794, 4282191, 4757990, 7136985, 8564382, 12846573, 14273970, 21410955, 25693146, 42821910, 64232865, 128465730]

約数ペア:

[(1, 128465730), (2, 64232865), (3, 42821910), (5, 25693146), (6, 21410955), (9, 14273970), (10, 12846573), (15, 8564382), (18, 7136985), (27, 4757990), (30, 4282191), (45, 2854794), (54, 2378995), (90, 1427397), (135, 951598), (270, 475799), (487, 263790), (974, 131895), (977, 131490), (1461, 87930), (1954, 65745), (2435, 52758), (2922, 43965), (2931, 43830), (4383, 29310), (4870, 26379), (4885, 26298), (5862, 21915), (7305, 17586), (8766, 14655), (8793, 14610), (9770, 13149)]