31007600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 82338480

約数和(自身を除く): 51330880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 67, 80, 89, 100, 104, 130, 134, 178, 200, 208, 260, 268, 325, 335, 356, 400, 445, 520, 536, 650, 670, 712, 871, 890, 1040, 1072, 1157, 1300, 1340, 1424, 1675, 1742, 1780, 2225, 2314, 2600, 2680, 3350, 3484, 3560, 4355, 4450, 4628, 5200, 5360, 5785, 5963, 6700, 6968, 7120, 8710, 8900, 9256, 11570, 11926, 13400, 13936, 17420, 17800, 18512, 21775, 23140, 23852, 26800, 28925, 29815, 34840, 35600, 43550, 46280, 47704, 57850, 59630, 69680, 77519, 87100, 92560, 95408, 115700, 119260, 149075, 155038, 174200, 231400, 238520, 298150, 310076, 348400, 387595, 462800, 477040, 596300, 620152, 775190, 1192600, 1240304, 1550380, 1937975, 2385200, 3100760, 3875950, 6201520, 7751900, 15503800, 31007600]

約数ペア:

[(1, 31007600), (2, 15503800), (4, 7751900), (5, 6201520), (8, 3875950), (10, 3100760), (13, 2385200), (16, 1937975), (20, 1550380), (25, 1240304), (26, 1192600), (40, 775190), (50, 620152), (52, 596300), (65, 477040), (67, 462800), (80, 387595), (89, 348400), (100, 310076), (104, 298150), (130, 238520), (134, 231400), (178, 174200), (200, 155038), (208, 149075), (260, 119260), (268, 115700), (325, 95408), (335, 92560), (356, 87100), (400, 77519), (445, 69680), (520, 59630), (536, 57850), (650, 47704), (670, 46280), (712, 43550), (871, 35600), (890, 34840), (1040, 29815), (1072, 28925), (1157, 26800), (1300, 23852), (1340, 23140), (1424, 21775), (1675, 18512), (1742, 17800), (1780, 17420), (2225, 13936), (2314, 13400), (2600, 11926), (2680, 11570), (3350, 9256), (3484, 8900), (3560, 8710), (4355, 7120), (4450, 6968), (4628, 6700), (5200, 5963), (5360, 5785)]