18201360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 56871360

約数和(自身を除く): 38670000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 419, 543, 724, 838, 905, 1086, 1257, 1448, 1676, 1810, 2095, 2172, 2514, 2715, 2896, 3352, 3620, 4190, 4344, 5028, 5430, 6285, 6704, 7240, 8380, 8688, 10056, 10860, 12570, 14480, 16760, 20112, 21720, 25140, 33520, 43440, 50280, 75839, 100560, 151678, 227517, 303356, 379195, 455034, 606712, 758390, 910068, 1137585, 1213424, 1516780, 1820136, 2275170, 3033560, 3640272, 4550340, 6067120, 9100680, 18201360]

約数ペア:

[(1, 18201360), (2, 9100680), (3, 6067120), (4, 4550340), (5, 3640272), (6, 3033560), (8, 2275170), (10, 1820136), (12, 1516780), (15, 1213424), (16, 1137585), (20, 910068), (24, 758390), (30, 606712), (40, 455034), (48, 379195), (60, 303356), (80, 227517), (120, 151678), (181, 100560), (240, 75839), (362, 50280), (419, 43440), (543, 33520), (724, 25140), (838, 21720), (905, 20112), (1086, 16760), (1257, 14480), (1448, 12570), (1676, 10860), (1810, 10056), (2095, 8688), (2172, 8380), (2514, 7240), (2715, 6704), (2896, 6285), (3352, 5430), (3620, 5028), (4190, 4344)]