31510920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 115240320

約数和(自身を除く): 83729400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 233, 245, 276, 280, 294, 322, 345, 392, 420, 460, 466, 483, 490, 552, 588, 644, 690, 699, 735, 805, 840, 920, 932, 966, 980, 1127, 1165, 1176, 1288, 1380, 1398, 1470, 1610, 1631, 1864, 1932, 1960, 2254, 2330, 2415, 2760, 2796, 2940, 3220, 3262, 3381, 3495, 3864, 4508, 4660, 4830, 4893, 5359, 5592, 5635, 5880, 6440, 6524, 6762, 6990, 8155, 9016, 9320, 9660, 9786, 10718, 11270, 11417, 13048, 13524, 13980, 16077, 16310, 16905, 19320, 19572, 21436, 22540, 22834, 24465, 26795, 27048, 27960, 32154, 32620, 33810, 34251, 37513, 39144, 42872, 45080, 45668, 48930, 53590, 57085, 64308, 65240, 67620, 68502, 75026, 80385, 91336, 97860, 107180, 112539, 114170, 128616, 135240, 137004, 150052, 160770, 171255, 187565, 195720, 214360, 225078, 228340, 262591, 274008, 300104, 321540, 342510, 375130, 450156, 456680, 525182, 562695, 643080, 685020, 750260, 787773, 900312, 1050364, 1125390, 1312955, 1370040, 1500520, 1575546, 2100728, 2250780, 2625910, 3151092, 3938865, 4501560, 5251820, 6302184, 7877730, 10503640, 15755460, 31510920]

約数ペア:

[(1, 31510920), (2, 15755460), (3, 10503640), (4, 7877730), (5, 6302184), (6, 5251820), (7, 4501560), (8, 3938865), (10, 3151092), (12, 2625910), (14, 2250780), (15, 2100728), (20, 1575546), (21, 1500520), (23, 1370040), (24, 1312955), (28, 1125390), (30, 1050364), (35, 900312), (40, 787773), (42, 750260), (46, 685020), (49, 643080), (56, 562695), (60, 525182), (69, 456680), (70, 450156), (84, 375130), (92, 342510), (98, 321540), (105, 300104), (115, 274008), (120, 262591), (138, 228340), (140, 225078), (147, 214360), (161, 195720), (168, 187565), (184, 171255), (196, 160770), (210, 150052), (230, 137004), (233, 135240), (245, 128616), (276, 114170), (280, 112539), (294, 107180), (322, 97860), (345, 91336), (392, 80385), (420, 75026), (460, 68502), (466, 67620), (483, 65240), (490, 64308), (552, 57085), (588, 53590), (644, 48930), (690, 45668), (699, 45080), (735, 42872), (805, 39144), (840, 37513), (920, 34251), (932, 33810), (966, 32620), (980, 32154), (1127, 27960), (1165, 27048), (1176, 26795), (1288, 24465), (1380, 22834), (1398, 22540), (1470, 21436), (1610, 19572), (1631, 19320), (1864, 16905), (1932, 16310), (1960, 16077), (2254, 13980), (2330, 13524), (2415, 13048), (2760, 11417), (2796, 11270), (2940, 10718), (3220, 9786), (3262, 9660), (3381, 9320), (3495, 9016), (3864, 8155), (4508, 6990), (4660, 6762), (4830, 6524), (4893, 6440), (5359, 5880), (5592, 5635)]