287993580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4259}}^1$

素因数の和:4308

約数の個数: 144

約数和(自身を含む): 979050240

約数和(自身を除く): 691056660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4259, 4508, 4830, 5635, 6762, 8518, 9660, 11270, 12777, 13524, 16905, 17036, 21295, 22540, 25554, 29813, 33810, 42590, 51108, 59626, 63885, 67620, 85180, 89439, 97957, 119252, 127770, 149065, 178878, 195914, 208691, 255540, 293871, 298130, 357756, 391828, 417382, 447195, 489785, 587742, 596260, 626073, 685699, 834764, 894390, 979570, 1043455, 1175484, 1252146, 1371398, 1469355, 1788780, 1959140, 2057097, 2086910, 2504292, 2742796, 2938710, 3130365, 3428495, 4114194, 4173820, 4799893, 5877420, 6260730, 6856990, 8228388, 9599786, 10285485, 12521460, 13713980, 14399679, 19199572, 20570970, 23999465, 28799358, 41141940, 47998930, 57598716, 71998395, 95997860, 143996790, 287993580]

約数ペア:

[(1, 287993580), (2, 143996790), (3, 95997860), (4, 71998395), (5, 57598716), (6, 47998930), (7, 41141940), (10, 28799358), (12, 23999465), (14, 20570970), (15, 19199572), (20, 14399679), (21, 13713980), (23, 12521460), (28, 10285485), (30, 9599786), (35, 8228388), (42, 6856990), (46, 6260730), (49, 5877420), (60, 4799893), (69, 4173820), (70, 4114194), (84, 3428495), (92, 3130365), (98, 2938710), (105, 2742796), (115, 2504292), (138, 2086910), (140, 2057097), (147, 1959140), (161, 1788780), (196, 1469355), (210, 1371398), (230, 1252146), (245, 1175484), (276, 1043455), (294, 979570), (322, 894390), (345, 834764), (420, 685699), (460, 626073), (483, 596260), (490, 587742), (588, 489785), (644, 447195), (690, 417382), (735, 391828), (805, 357756), (966, 298130), (980, 293871), (1127, 255540), (1380, 208691), (1470, 195914), (1610, 178878), (1932, 149065), (2254, 127770), (2415, 119252), (2940, 97957), (3220, 89439), (3381, 85180), (4259, 67620), (4508, 63885), (4830, 59626), (5635, 51108), (6762, 42590), (8518, 33810), (9660, 29813), (11270, 25554), (12777, 22540), (13524, 21295), (16905, 17036)]