319378920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 256

約数和(自身を含む): 1165639680

約数和(自身を除く): 846260760

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, 56, 60, 61, 69, 70, 84, 92, 105, 115, 120, 122, 138, 140, 161, 168, 183, 184, 210, 230, 244, 271, 276, 280, 305, 322, 345, 366, 420, 427, 460, 483, 488, 542, 552, 610, 644, 690, 732, 805, 813, 840, 854, 915, 920, 966, 1084, 1220, 1281, 1288, 1355, 1380, 1403, 1464, 1610, 1626, 1708, 1830, 1897, 1932, 2135, 2168, 2415, 2440, 2562, 2710, 2760, 2806, 3220, 3252, 3416, 3660, 3794, 3864, 4065, 4209, 4270, 4830, 5124, 5420, 5612, 5691, 6233, 6405, 6440, 6504, 7015, 7320, 7588, 8130, 8418, 8540, 9485, 9660, 9821, 10248, 10840, 11224, 11382, 12466, 12810, 14030, 15176, 16260, 16531, 16836, 17080, 18699, 18970, 19320, 19642, 21045, 22764, 24932, 25620, 28060, 28455, 29463, 31165, 32520, 33062, 33672, 37398, 37940, 39284, 42090, 43631, 45528, 49105, 49593, 49864, 51240, 56120, 56910, 58926, 62330, 66124, 74796, 75880, 78568, 82655, 84180, 87262, 93495, 98210, 99186, 113820, 115717, 117852, 124660, 130893, 132248, 147315, 149592, 165310, 168360, 174524, 186990, 196420, 198372, 218155, 227640, 231434, 235704, 247965, 249320, 261786, 294630, 330620, 347151, 349048, 373980, 380213, 392840, 396744, 436310, 462868, 495930, 523572, 578585, 589260, 654465, 661240, 694302, 747960, 760426, 872620, 925736, 991860, 1047144, 1140639, 1157170, 1178520, 1308930, 1388604, 1520852, 1735755, 1745240, 1901065, 1983720, 2281278, 2314340, 2617860, 2661491, 2777208, 3041704, 3471510, 3802130, 4562556, 4628680, 5235720, 5322982, 5703195, 6943020, 7604260, 7984473, 9125112, 10645964, 11406390, 13307455, 13886040, 15208520, 15968946, 21291928, 22812780, 26614910, 31937892, 39922365, 45625560, 53229820, 63875784, 79844730, 106459640, 159689460, 319378920]

約数ペア:

[(1, 319378920), (2, 159689460), (3, 106459640), (4, 79844730), (5, 63875784), (6, 53229820), (7, 45625560), (8, 39922365), (10, 31937892), (12, 26614910), (14, 22812780), (15, 21291928), (20, 15968946), (21, 15208520), (23, 13886040), (24, 13307455), (28, 11406390), (30, 10645964), (35, 9125112), (40, 7984473), (42, 7604260), (46, 6943020), (56, 5703195), (60, 5322982), (61, 5235720), (69, 4628680), (70, 4562556), (84, 3802130), (92, 3471510), (105, 3041704), (115, 2777208), (120, 2661491), (122, 2617860), (138, 2314340), (140, 2281278), (161, 1983720), (168, 1901065), (183, 1745240), (184, 1735755), (210, 1520852), (230, 1388604), (244, 1308930), (271, 1178520), (276, 1157170), (280, 1140639), (305, 1047144), (322, 991860), (345, 925736), (366, 872620), (420, 760426), (427, 747960), (460, 694302), (483, 661240), (488, 654465), (542, 589260), (552, 578585), (610, 523572), (644, 495930), (690, 462868), (732, 436310), (805, 396744), (813, 392840), (840, 380213), (854, 373980), (915, 349048), (920, 347151), (966, 330620), (1084, 294630), (1220, 261786), (1281, 249320), (1288, 247965), (1355, 235704), (1380, 231434), (1403, 227640), (1464, 218155), (1610, 198372), (1626, 196420), (1708, 186990), (1830, 174524), (1897, 168360), (1932, 165310), (2135, 149592), (2168, 147315), (2415, 132248), (2440, 130893), (2562, 124660), (2710, 117852), (2760, 115717), (2806, 113820), (3220, 99186), (3252, 98210), (3416, 93495), (3660, 87262), (3794, 84180), (3864, 82655), (4065, 78568), (4209, 75880), (4270, 74796), (4830, 66124), (5124, 62330), (5420, 58926), (5612, 56910), (5691, 56120), (6233, 51240), (6405, 49864), (6440, 49593), (6504, 49105), (7015, 45528), (7320, 43631), (7588, 42090), (8130, 39284), (8418, 37940), (8540, 37398), (9485, 33672), (9660, 33062), (9821, 32520), (10248, 31165), (10840, 29463), (11224, 28455), (11382, 28060), (12466, 25620), (12810, 24932), (14030, 22764), (15176, 21045), (16260, 19642), (16531, 19320), (16836, 18970), (17080, 18699)]