81963750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2023

約数の個数: 80

約数和(自身を含む): 223578432

約数和(自身を除く): 141614682

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 625, 750, 825, 1250, 1375, 1650, 1875, 1987, 2750, 3750, 3974, 4125, 5961, 6875, 8250, 9935, 11922, 13750, 19870, 20625, 21857, 29805, 41250, 43714, 49675, 59610, 65571, 99350, 109285, 131142, 149025, 218570, 248375, 298050, 327855, 496750, 546425, 655710, 745125, 1092850, 1241875, 1490250, 1639275, 2483750, 2732125, 3278550, 3725625, 5464250, 7451250, 8196375, 13660625, 16392750, 27321250, 40981875, 81963750]

約数ペア:

[(1, 81963750), (2, 40981875), (3, 27321250), (5, 16392750), (6, 13660625), (10, 8196375), (11, 7451250), (15, 5464250), (22, 3725625), (25, 3278550), (30, 2732125), (33, 2483750), (50, 1639275), (55, 1490250), (66, 1241875), (75, 1092850), (110, 745125), (125, 655710), (150, 546425), (165, 496750), (250, 327855), (275, 298050), (330, 248375), (375, 218570), (550, 149025), (625, 131142), (750, 109285), (825, 99350), (1250, 65571), (1375, 59610), (1650, 49675), (1875, 43714), (1987, 41250), (2750, 29805), (3750, 21857), (3974, 20625), (4125, 19870), (5961, 13750), (6875, 11922), (8250, 9935)]