638852760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19501}}^1$

素因数の和:19538

約数の個数: 192

約数和(自身を含む): 2555542080

約数和(自身を除く): 1916689320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 19501, 32760, 39002, 58503, 78004, 97505, 117006, 136507, 156008, 175509, 195010, 234012, 253513, 273014, 292515, 351018, 390020, 409521, 468024, 507026, 546028, 585030, 682535, 702036, 760539, 780040, 819042, 877545, 1014052, 1092056, 1170060, 1228563, 1267565, 1365070, 1404072, 1521078, 1638084, 1755090, 1774591, 2028104, 2047605, 2281617, 2340120, 2457126, 2535130, 2730140, 3042156, 3276168, 3510180, 3549182, 3802695, 4095210, 4563234, 4914252, 5070260, 5323773, 5460280, 6084312, 6142815, 7020360, 7098364, 7605390, 8190420, 8872955, 9126468, 9828504, 10140520, 10647546, 11408085, 12285630, 14196728, 15210780, 15971319, 16380840, 17745910, 18252936, 21295092, 22816170, 24571260, 26618865, 30421560, 31942638, 35491820, 42590184, 45632340, 49142520, 53237730, 63885276, 70983640, 79856595, 91264680, 106475460, 127770552, 159713190, 212950920, 319426380, 638852760]

約数ペア:

[(1, 638852760), (2, 319426380), (3, 212950920), (4, 159713190), (5, 127770552), (6, 106475460), (7, 91264680), (8, 79856595), (9, 70983640), (10, 63885276), (12, 53237730), (13, 49142520), (14, 45632340), (15, 42590184), (18, 35491820), (20, 31942638), (21, 30421560), (24, 26618865), (26, 24571260), (28, 22816170), (30, 21295092), (35, 18252936), (36, 17745910), (39, 16380840), (40, 15971319), (42, 15210780), (45, 14196728), (52, 12285630), (56, 11408085), (60, 10647546), (63, 10140520), (65, 9828504), (70, 9126468), (72, 8872955), (78, 8190420), (84, 7605390), (90, 7098364), (91, 7020360), (104, 6142815), (105, 6084312), (117, 5460280), (120, 5323773), (126, 5070260), (130, 4914252), (140, 4563234), (156, 4095210), (168, 3802695), (180, 3549182), (182, 3510180), (195, 3276168), (210, 3042156), (234, 2730140), (252, 2535130), (260, 2457126), (273, 2340120), (280, 2281617), (312, 2047605), (315, 2028104), (360, 1774591), (364, 1755090), (390, 1638084), (420, 1521078), (455, 1404072), (468, 1365070), (504, 1267565), (520, 1228563), (546, 1170060), (585, 1092056), (630, 1014052), (728, 877545), (780, 819042), (819, 780040), (840, 760539), (910, 702036), (936, 682535), (1092, 585030), (1170, 546028), (1260, 507026), (1365, 468024), (1560, 409521), (1638, 390020), (1820, 351018), (2184, 292515), (2340, 273014), (2520, 253513), (2730, 234012), (3276, 195010), (3640, 175509), (4095, 156008), (4680, 136507), (5460, 117006), (6552, 97505), (8190, 78004), (10920, 58503), (16380, 39002), (19501, 32760)]