128414700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 416640000

約数和(自身を除く): 288225300

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, 135, 150, 180, 199, 225, 239, 270, 300, 398, 450, 478, 540, 597, 675, 717, 796, 900, 956, 995, 1194, 1195, 1350, 1434, 1791, 1990, 2151, 2388, 2390, 2700, 2868, 2985, 3582, 3585, 3980, 4302, 4780, 4975, 5373, 5970, 5975, 6453, 7164, 7170, 8604, 8955, 9950, 10746, 10755, 11940, 11950, 12906, 14340, 14925, 17910, 17925, 19900, 21492, 21510, 23900, 25812, 26865, 29850, 32265, 35820, 35850, 43020, 44775, 47561, 53730, 53775, 59700, 64530, 71700, 89550, 95122, 107460, 107550, 129060, 134325, 142683, 161325, 179100, 190244, 215100, 237805, 268650, 285366, 322650, 428049, 475610, 537300, 570732, 645300, 713415, 856098, 951220, 1189025, 1284147, 1426830, 1712196, 2140245, 2378050, 2568294, 2853660, 3567075, 4280490, 4756100, 5136588, 6420735, 7134150, 8560980, 10701225, 12841470, 14268300, 21402450, 25682940, 32103675, 42804900, 64207350, 128414700]

約数ペア:

[(1, 128414700), (2, 64207350), (3, 42804900), (4, 32103675), (5, 25682940), (6, 21402450), (9, 14268300), (10, 12841470), (12, 10701225), (15, 8560980), (18, 7134150), (20, 6420735), (25, 5136588), (27, 4756100), (30, 4280490), (36, 3567075), (45, 2853660), (50, 2568294), (54, 2378050), (60, 2140245), (75, 1712196), (90, 1426830), (100, 1284147), (108, 1189025), (135, 951220), (150, 856098), (180, 713415), (199, 645300), (225, 570732), (239, 537300), (270, 475610), (300, 428049), (398, 322650), (450, 285366), (478, 268650), (540, 237805), (597, 215100), (675, 190244), (717, 179100), (796, 161325), (900, 142683), (956, 134325), (995, 129060), (1194, 107550), (1195, 107460), (1350, 95122), (1434, 89550), (1791, 71700), (1990, 64530), (2151, 59700), (2388, 53775), (2390, 53730), (2700, 47561), (2868, 44775), (2985, 43020), (3582, 35850), (3585, 35820), (3980, 32265), (4302, 29850), (4780, 26865), (4975, 25812), (5373, 23900), (5970, 21510), (5975, 21492), (6453, 19900), (7164, 17925), (7170, 17910), (8604, 14925), (8955, 14340), (9950, 12906), (10746, 11950), (10755, 11940)]