81423160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22369}}^1$

素因数の和:22400

約数の個数: 64

約数和(自身を含む): 225489600

約数和(自身を除く): 144066440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 22369, 44738, 89476, 111845, 156583, 178952, 223690, 290797, 313166, 447380, 581594, 626332, 782915, 894760, 1163188, 1252664, 1453985, 1565830, 2035579, 2326376, 2907970, 3131660, 4071158, 5815940, 6263320, 8142316, 10177895, 11631880, 16284632, 20355790, 40711580, 81423160]

約数ペア:

[(1, 81423160), (2, 40711580), (4, 20355790), (5, 16284632), (7, 11631880), (8, 10177895), (10, 8142316), (13, 6263320), (14, 5815940), (20, 4071158), (26, 3131660), (28, 2907970), (35, 2326376), (40, 2035579), (52, 1565830), (56, 1453985), (65, 1252664), (70, 1163188), (91, 894760), (104, 782915), (130, 626332), (140, 581594), (182, 447380), (260, 313166), (280, 290797), (364, 223690), (455, 178952), (520, 156583), (728, 111845), (910, 89476), (1820, 44738), (3640, 22369)]