31851900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 104993280

約数和(自身を除く): 73141380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 90, 94, 100, 108, 135, 141, 150, 180, 188, 225, 235, 251, 270, 282, 300, 423, 450, 470, 502, 540, 564, 675, 705, 753, 846, 900, 940, 1004, 1175, 1255, 1269, 1350, 1410, 1506, 1692, 2115, 2259, 2350, 2510, 2538, 2700, 2820, 3012, 3525, 3765, 4230, 4518, 4700, 5020, 5076, 6275, 6345, 6777, 7050, 7530, 8460, 9036, 10575, 11295, 11797, 12550, 12690, 13554, 14100, 15060, 18825, 21150, 22590, 23594, 25100, 25380, 27108, 31725, 33885, 35391, 37650, 42300, 45180, 47188, 56475, 58985, 63450, 67770, 70782, 75300, 106173, 112950, 117970, 126900, 135540, 141564, 169425, 176955, 212346, 225900, 235940, 294925, 318519, 338850, 353910, 424692, 530865, 589850, 637038, 677700, 707820, 884775, 1061730, 1179700, 1274076, 1592595, 1769550, 2123460, 2654325, 3185190, 3539100, 5308650, 6370380, 7962975, 10617300, 15925950, 31851900]

約数ペア:

[(1, 31851900), (2, 15925950), (3, 10617300), (4, 7962975), (5, 6370380), (6, 5308650), (9, 3539100), (10, 3185190), (12, 2654325), (15, 2123460), (18, 1769550), (20, 1592595), (25, 1274076), (27, 1179700), (30, 1061730), (36, 884775), (45, 707820), (47, 677700), (50, 637038), (54, 589850), (60, 530865), (75, 424692), (90, 353910), (94, 338850), (100, 318519), (108, 294925), (135, 235940), (141, 225900), (150, 212346), (180, 176955), (188, 169425), (225, 141564), (235, 135540), (251, 126900), (270, 117970), (282, 112950), (300, 106173), (423, 75300), (450, 70782), (470, 67770), (502, 63450), (540, 58985), (564, 56475), (675, 47188), (705, 45180), (753, 42300), (846, 37650), (900, 35391), (940, 33885), (1004, 31725), (1175, 27108), (1255, 25380), (1269, 25100), (1350, 23594), (1410, 22590), (1506, 21150), (1692, 18825), (2115, 15060), (2259, 14100), (2350, 13554), (2510, 12690), (2538, 12550), (2700, 11797), (2820, 11295), (3012, 10575), (3525, 9036), (3765, 8460), (4230, 7530), (4518, 7050), (4700, 6777), (5020, 6345), (5076, 6275)]