31503420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13463}}^1$

素因数の和:13491

約数の個数: 72

約数和(自身を含む): 102918816

約数和(自身を除く): 71415396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13463, 26926, 40389, 53852, 67315, 80778, 121167, 134630, 161556, 175019, 201945, 242334, 269260, 350038, 403890, 484668, 525057, 605835, 700076, 807780, 875095, 1050114, 1211670, 1575171, 1750190, 2100228, 2423340, 2625285, 3150342, 3500380, 5250570, 6300684, 7875855, 10501140, 15751710, 31503420]

約数ペア:

[(1, 31503420), (2, 15751710), (3, 10501140), (4, 7875855), (5, 6300684), (6, 5250570), (9, 3500380), (10, 3150342), (12, 2625285), (13, 2423340), (15, 2100228), (18, 1750190), (20, 1575171), (26, 1211670), (30, 1050114), (36, 875095), (39, 807780), (45, 700076), (52, 605835), (60, 525057), (65, 484668), (78, 403890), (90, 350038), (117, 269260), (130, 242334), (156, 201945), (180, 175019), (195, 161556), (234, 134630), (260, 121167), (390, 80778), (468, 67315), (585, 53852), (780, 40389), (1170, 26926), (2340, 13463)]