638518720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4673}}^1$

素因数の和:4758

約数の個数: 112

約数和(自身を含む): 1766547648

約数和(自身を除く): 1128028928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2135, 2240, 2440, 3416, 3904, 4270, 4673, 4880, 6832, 8540, 9346, 9760, 13664, 17080, 18692, 19520, 23365, 27328, 32711, 34160, 37384, 46730, 65422, 68320, 74768, 93460, 130844, 136640, 149536, 163555, 186920, 261688, 285053, 299072, 327110, 373840, 523376, 570106, 654220, 747680, 1046752, 1140212, 1308440, 1425265, 1495360, 1995371, 2093504, 2280424, 2616880, 2850530, 3990742, 4560848, 5233760, 5701060, 7981484, 9121696, 9976855, 10467520, 11402120, 15962968, 18243392, 19953710, 22804240, 31925936, 39907420, 45608480, 63851872, 79814840, 91216960, 127703744, 159629680, 319259360, 638518720]

約数ペア:

[(1, 638518720), (2, 319259360), (4, 159629680), (5, 127703744), (7, 91216960), (8, 79814840), (10, 63851872), (14, 45608480), (16, 39907420), (20, 31925936), (28, 22804240), (32, 19953710), (35, 18243392), (40, 15962968), (56, 11402120), (61, 10467520), (64, 9976855), (70, 9121696), (80, 7981484), (112, 5701060), (122, 5233760), (140, 4560848), (160, 3990742), (224, 2850530), (244, 2616880), (280, 2280424), (305, 2093504), (320, 1995371), (427, 1495360), (448, 1425265), (488, 1308440), (560, 1140212), (610, 1046752), (854, 747680), (976, 654220), (1120, 570106), (1220, 523376), (1708, 373840), (1952, 327110), (2135, 299072), (2240, 285053), (2440, 261688), (3416, 186920), (3904, 163555), (4270, 149536), (4673, 136640), (4880, 130844), (6832, 93460), (8540, 74768), (9346, 68320), (9760, 65422), (13664, 46730), (17080, 37384), (18692, 34160), (19520, 32711), (23365, 27328)]