18112500

素因数分解:

$2^2\times 3^2\times 5^5\times 7^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 216

約数和(自身を含む): 68245632

約数和(自身を除く): 50133132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 28, 30, 35, 36, 42, 45, 46, 50, 60, 63, 69, 70, 75, 84, 90, 92, 100, 105, 115, 125, 126, 138, 140, 150, 161, 175, 180, 207, 210, 225, 230, 250, 252, 276, 300, 315, 322, 345, 350, 375, 414, 420, 450, 460, 483, 500, 525, 575, 625, 630, 644, 690, 700, 750, 805, 828, 875, 900, 966, 1035, 1050, 1125, 1150, 1250, 1260, 1380, 1449, 1500, 1575, 1610, 1725, 1750, 1875, 1932, 2070, 2100, 2250, 2300, 2415, 2500, 2625, 2875, 2898, 3125, 3150, 3220, 3450, 3500, 3750, 4025, 4140, 4375, 4500, 4830, 5175, 5250, 5625, 5750, 5796, 6250, 6300, 6900, 7245, 7500, 7875, 8050, 8625, 8750, 9375, 9660, 10350, 10500, 11250, 11500, 12075, 12500, 13125, 14375, 14490, 15750, 16100, 17250, 17500, 18750, 20125, 20700, 21875, 22500, 24150, 25875, 26250, 28125, 28750, 28980, 31500, 34500, 36225, 37500, 39375, 40250, 43125, 43750, 48300, 51750, 52500, 56250, 57500, 60375, 65625, 71875, 72450, 78750, 80500, 86250, 87500, 100625, 103500, 112500, 120750, 129375, 131250, 143750, 144900, 157500, 172500, 181125, 196875, 201250, 215625, 241500, 258750, 262500, 287500, 301875, 362250, 393750, 402500, 431250, 503125, 517500, 603750, 646875, 724500, 787500, 862500, 905625, 1006250, 1207500, 1293750, 1509375, 1811250, 2012500, 2587500, 3018750, 3622500, 4528125, 6037500, 9056250, 18112500]

約数ペア:

[(1, 18112500), (2, 9056250), (3, 6037500), (4, 4528125), (5, 3622500), (6, 3018750), (7, 2587500), (9, 2012500), (10, 1811250), (12, 1509375), (14, 1293750), (15, 1207500), (18, 1006250), (20, 905625), (21, 862500), (23, 787500), (25, 724500), (28, 646875), (30, 603750), (35, 517500), (36, 503125), (42, 431250), (45, 402500), (46, 393750), (50, 362250), (60, 301875), (63, 287500), (69, 262500), (70, 258750), (75, 241500), (84, 215625), (90, 201250), (92, 196875), (100, 181125), (105, 172500), (115, 157500), (125, 144900), (126, 143750), (138, 131250), (140, 129375), (150, 120750), (161, 112500), (175, 103500), (180, 100625), (207, 87500), (210, 86250), (225, 80500), (230, 78750), (250, 72450), (252, 71875), (276, 65625), (300, 60375), (315, 57500), (322, 56250), (345, 52500), (350, 51750), (375, 48300), (414, 43750), (420, 43125), (450, 40250), (460, 39375), (483, 37500), (500, 36225), (525, 34500), (575, 31500), (625, 28980), (630, 28750), (644, 28125), (690, 26250), (700, 25875), (750, 24150), (805, 22500), (828, 21875), (875, 20700), (900, 20125), (966, 18750), (1035, 17500), (1050, 17250), (1125, 16100), (1150, 15750), (1250, 14490), (1260, 14375), (1380, 13125), (1449, 12500), (1500, 12075), (1575, 11500), (1610, 11250), (1725, 10500), (1750, 10350), (1875, 9660), (1932, 9375), (2070, 8750), (2100, 8625), (2250, 8050), (2300, 7875), (2415, 7500), (2500, 7245), (2625, 6900), (2875, 6300), (2898, 6250), (3125, 5796), (3150, 5750), (3220, 5625), (3450, 5250), (3500, 5175), (3750, 4830), (4025, 4500), (4140, 4375)]