80662500

素因数分解:

$2^2\times 3^3\times 5^5\times {\mathrm{239}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 262483200

約数和(自身を除く): 181820700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 239, 250, 270, 300, 375, 450, 478, 500, 540, 625, 675, 717, 750, 900, 956, 1125, 1195, 1250, 1350, 1434, 1500, 1875, 2151, 2250, 2390, 2500, 2700, 2868, 3125, 3375, 3585, 3750, 4302, 4500, 4780, 5625, 5975, 6250, 6453, 6750, 7170, 7500, 8604, 9375, 10755, 11250, 11950, 12500, 12906, 13500, 14340, 16875, 17925, 18750, 21510, 22500, 23900, 25812, 28125, 29875, 32265, 33750, 35850, 37500, 43020, 53775, 56250, 59750, 64530, 67500, 71700, 84375, 89625, 107550, 112500, 119500, 129060, 149375, 161325, 168750, 179250, 215100, 268875, 298750, 322650, 337500, 358500, 448125, 537750, 597500, 645300, 746875, 806625, 896250, 1075500, 1344375, 1493750, 1613250, 1792500, 2240625, 2688750, 2987500, 3226500, 4033125, 4481250, 5377500, 6721875, 8066250, 8962500, 13443750, 16132500, 20165625, 26887500, 40331250, 80662500]

約数ペア:

[(1, 80662500), (2, 40331250), (3, 26887500), (4, 20165625), (5, 16132500), (6, 13443750), (9, 8962500), (10, 8066250), (12, 6721875), (15, 5377500), (18, 4481250), (20, 4033125), (25, 3226500), (27, 2987500), (30, 2688750), (36, 2240625), (45, 1792500), (50, 1613250), (54, 1493750), (60, 1344375), (75, 1075500), (90, 896250), (100, 806625), (108, 746875), (125, 645300), (135, 597500), (150, 537750), (180, 448125), (225, 358500), (239, 337500), (250, 322650), (270, 298750), (300, 268875), (375, 215100), (450, 179250), (478, 168750), (500, 161325), (540, 149375), (625, 129060), (675, 119500), (717, 112500), (750, 107550), (900, 89625), (956, 84375), (1125, 71700), (1195, 67500), (1250, 64530), (1350, 59750), (1434, 56250), (1500, 53775), (1875, 43020), (2151, 37500), (2250, 35850), (2390, 33750), (2500, 32265), (2700, 29875), (2868, 28125), (3125, 25812), (3375, 23900), (3585, 22500), (3750, 21510), (4302, 18750), (4500, 17925), (4780, 16875), (5625, 14340), (5975, 13500), (6250, 12906), (6453, 12500), (6750, 11950), (7170, 11250), (7500, 10755), (8604, 9375)]