131424520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 330480000

約数和(自身を除く): 199055480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 67, 76, 89, 95, 116, 134, 145, 152, 178, 190, 232, 268, 290, 335, 356, 380, 445, 536, 551, 580, 670, 712, 760, 890, 1102, 1160, 1273, 1340, 1691, 1780, 1943, 2204, 2546, 2581, 2680, 2755, 3382, 3560, 3886, 4408, 5092, 5162, 5510, 5963, 6365, 6764, 7772, 8455, 9715, 10184, 10324, 11020, 11926, 12730, 12905, 13528, 15544, 16910, 19430, 20648, 22040, 23852, 25460, 25810, 29815, 33820, 36917, 38860, 47704, 49039, 50920, 51620, 59630, 67640, 73834, 77720, 98078, 103240, 113297, 119260, 147668, 172927, 184585, 196156, 226594, 238520, 245195, 295336, 345854, 369170, 392312, 453188, 490390, 566485, 691708, 738340, 864635, 906376, 980780, 1132970, 1383416, 1476680, 1729270, 1961560, 2265940, 3285613, 3458540, 4531880, 6571226, 6917080, 13142452, 16428065, 26284904, 32856130, 65712260, 131424520]

約数ペア:

[(1, 131424520), (2, 65712260), (4, 32856130), (5, 26284904), (8, 16428065), (10, 13142452), (19, 6917080), (20, 6571226), (29, 4531880), (38, 3458540), (40, 3285613), (58, 2265940), (67, 1961560), (76, 1729270), (89, 1476680), (95, 1383416), (116, 1132970), (134, 980780), (145, 906376), (152, 864635), (178, 738340), (190, 691708), (232, 566485), (268, 490390), (290, 453188), (335, 392312), (356, 369170), (380, 345854), (445, 295336), (536, 245195), (551, 238520), (580, 226594), (670, 196156), (712, 184585), (760, 172927), (890, 147668), (1102, 119260), (1160, 113297), (1273, 103240), (1340, 98078), (1691, 77720), (1780, 73834), (1943, 67640), (2204, 59630), (2546, 51620), (2581, 50920), (2680, 49039), (2755, 47704), (3382, 38860), (3560, 36917), (3886, 33820), (4408, 29815), (5092, 25810), (5162, 25460), (5510, 23852), (5963, 22040), (6365, 20648), (6764, 19430), (7772, 16910), (8455, 15544), (9715, 13528), (10184, 12905), (10324, 12730), (11020, 11926)]