405778880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4294

約数の個数: 112

約数和(自身を含む): 1086087744

約数和(自身を除く): 680308864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 832, 920, 1040, 1196, 1472, 1495, 1840, 2080, 2392, 2990, 3680, 4160, 4241, 4784, 5980, 7360, 8482, 9568, 11960, 16964, 19136, 21205, 23920, 33928, 42410, 47840, 55133, 67856, 84820, 95680, 97543, 110266, 135712, 169640, 195086, 220532, 271424, 275665, 339280, 390172, 441064, 487715, 551330, 678560, 780344, 882128, 975430, 1102660, 1268059, 1357120, 1560688, 1764256, 1950860, 2205320, 2536118, 3121376, 3528512, 3901720, 4410640, 5072236, 6242752, 6340295, 7803440, 8821280, 10144472, 12680590, 15606880, 17642560, 20288944, 25361180, 31213760, 40577888, 50722360, 81155776, 101444720, 202889440, 405778880]

約数ペア:

[(1, 405778880), (2, 202889440), (4, 101444720), (5, 81155776), (8, 50722360), (10, 40577888), (13, 31213760), (16, 25361180), (20, 20288944), (23, 17642560), (26, 15606880), (32, 12680590), (40, 10144472), (46, 8821280), (52, 7803440), (64, 6340295), (65, 6242752), (80, 5072236), (92, 4410640), (104, 3901720), (115, 3528512), (130, 3121376), (160, 2536118), (184, 2205320), (208, 1950860), (230, 1764256), (260, 1560688), (299, 1357120), (320, 1268059), (368, 1102660), (416, 975430), (460, 882128), (520, 780344), (598, 678560), (736, 551330), (832, 487715), (920, 441064), (1040, 390172), (1196, 339280), (1472, 275665), (1495, 271424), (1840, 220532), (2080, 195086), (2392, 169640), (2990, 135712), (3680, 110266), (4160, 97543), (4241, 95680), (4784, 84820), (5980, 67856), (7360, 55133), (8482, 47840), (9568, 42410), (11960, 33928), (16964, 23920), (19136, 21205)]