72805440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:620

約数の個数: 112

約数和(自身を含む): 232989120

約数和(自身を除く): 160183680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 181, 192, 240, 320, 362, 419, 480, 543, 724, 838, 905, 960, 1086, 1257, 1448, 1676, 1810, 2095, 2172, 2514, 2715, 2896, 3352, 3620, 4190, 4344, 5028, 5430, 5792, 6285, 6704, 7240, 8380, 8688, 10056, 10860, 11584, 12570, 13408, 14480, 16760, 17376, 20112, 21720, 25140, 26816, 28960, 33520, 34752, 40224, 43440, 50280, 57920, 67040, 75839, 80448, 86880, 100560, 134080, 151678, 173760, 201120, 227517, 303356, 379195, 402240, 455034, 606712, 758390, 910068, 1137585, 1213424, 1516780, 1820136, 2275170, 2426848, 3033560, 3640272, 4550340, 4853696, 6067120, 7280544, 9100680, 12134240, 14561088, 18201360, 24268480, 36402720, 72805440]

約数ペア:

[(1, 72805440), (2, 36402720), (3, 24268480), (4, 18201360), (5, 14561088), (6, 12134240), (8, 9100680), (10, 7280544), (12, 6067120), (15, 4853696), (16, 4550340), (20, 3640272), (24, 3033560), (30, 2426848), (32, 2275170), (40, 1820136), (48, 1516780), (60, 1213424), (64, 1137585), (80, 910068), (96, 758390), (120, 606712), (160, 455034), (181, 402240), (192, 379195), (240, 303356), (320, 227517), (362, 201120), (419, 173760), (480, 151678), (543, 134080), (724, 100560), (838, 86880), (905, 80448), (960, 75839), (1086, 67040), (1257, 57920), (1448, 50280), (1676, 43440), (1810, 40224), (2095, 34752), (2172, 33520), (2514, 28960), (2715, 26816), (2896, 25140), (3352, 21720), (3620, 20112), (4190, 17376), (4344, 16760), (5028, 14480), (5430, 13408), (5792, 12570), (6285, 11584), (6704, 10860), (7240, 10056), (8380, 8688)]