76781250

素因数分解:

$2^1\times 3^3\times 5^6\times 7^1\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 224

約数和(自身を含む): 262496640

約数和(自身を除く): 185715390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 27, 30, 35, 39, 42, 45, 50, 54, 63, 65, 70, 75, 78, 90, 91, 105, 117, 125, 126, 130, 135, 150, 175, 182, 189, 195, 210, 225, 234, 250, 270, 273, 315, 325, 350, 351, 375, 378, 390, 450, 455, 525, 546, 585, 625, 630, 650, 675, 702, 750, 819, 875, 910, 945, 975, 1050, 1125, 1170, 1250, 1350, 1365, 1575, 1625, 1638, 1750, 1755, 1875, 1890, 1950, 2250, 2275, 2457, 2625, 2730, 2925, 3125, 3150, 3250, 3375, 3510, 3750, 4095, 4375, 4550, 4725, 4875, 4914, 5250, 5625, 5850, 6250, 6750, 6825, 7875, 8125, 8190, 8750, 8775, 9375, 9450, 9750, 11250, 11375, 12285, 13125, 13650, 14625, 15625, 15750, 16250, 16875, 17550, 18750, 20475, 21875, 22750, 23625, 24375, 24570, 26250, 28125, 29250, 31250, 33750, 34125, 39375, 40625, 40950, 43750, 43875, 46875, 47250, 48750, 56250, 56875, 61425, 65625, 68250, 73125, 78750, 81250, 84375, 87750, 93750, 102375, 109375, 113750, 118125, 121875, 122850, 131250, 140625, 146250, 168750, 170625, 196875, 203125, 204750, 218750, 219375, 236250, 243750, 281250, 284375, 307125, 328125, 341250, 365625, 393750, 406250, 421875, 438750, 511875, 568750, 590625, 609375, 614250, 656250, 731250, 843750, 853125, 984375, 1023750, 1096875, 1181250, 1218750, 1421875, 1535625, 1706250, 1828125, 1968750, 2193750, 2559375, 2843750, 2953125, 3071250, 3656250, 4265625, 5118750, 5484375, 5906250, 7678125, 8531250, 10968750, 12796875, 15356250, 25593750, 38390625, 76781250]

約数ペア:

[(1, 76781250), (2, 38390625), (3, 25593750), (5, 15356250), (6, 12796875), (7, 10968750), (9, 8531250), (10, 7678125), (13, 5906250), (14, 5484375), (15, 5118750), (18, 4265625), (21, 3656250), (25, 3071250), (26, 2953125), (27, 2843750), (30, 2559375), (35, 2193750), (39, 1968750), (42, 1828125), (45, 1706250), (50, 1535625), (54, 1421875), (63, 1218750), (65, 1181250), (70, 1096875), (75, 1023750), (78, 984375), (90, 853125), (91, 843750), (105, 731250), (117, 656250), (125, 614250), (126, 609375), (130, 590625), (135, 568750), (150, 511875), (175, 438750), (182, 421875), (189, 406250), (195, 393750), (210, 365625), (225, 341250), (234, 328125), (250, 307125), (270, 284375), (273, 281250), (315, 243750), (325, 236250), (350, 219375), (351, 218750), (375, 204750), (378, 203125), (390, 196875), (450, 170625), (455, 168750), (525, 146250), (546, 140625), (585, 131250), (625, 122850), (630, 121875), (650, 118125), (675, 113750), (702, 109375), (750, 102375), (819, 93750), (875, 87750), (910, 84375), (945, 81250), (975, 78750), (1050, 73125), (1125, 68250), (1170, 65625), (1250, 61425), (1350, 56875), (1365, 56250), (1575, 48750), (1625, 47250), (1638, 46875), (1750, 43875), (1755, 43750), (1875, 40950), (1890, 40625), (1950, 39375), (2250, 34125), (2275, 33750), (2457, 31250), (2625, 29250), (2730, 28125), (2925, 26250), (3125, 24570), (3150, 24375), (3250, 23625), (3375, 22750), (3510, 21875), (3750, 20475), (4095, 18750), (4375, 17550), (4550, 16875), (4725, 16250), (4875, 15750), (4914, 15625), (5250, 14625), (5625, 13650), (5850, 13125), (6250, 12285), (6750, 11375), (6825, 11250), (7875, 9750), (8125, 9450), (8190, 9375), (8750, 8775)]