128458400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 216

約数和(自身を含む): 380717820

約数和(自身を除く): 252259420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 49, 50, 56, 58, 70, 80, 98, 100, 112, 113, 116, 140, 145, 160, 175, 196, 200, 203, 224, 226, 232, 245, 280, 290, 350, 392, 400, 406, 452, 464, 490, 560, 565, 580, 700, 725, 784, 791, 800, 812, 904, 928, 980, 1015, 1120, 1130, 1160, 1225, 1400, 1421, 1450, 1568, 1582, 1624, 1808, 1960, 2030, 2260, 2320, 2450, 2800, 2825, 2842, 2900, 3164, 3248, 3277, 3616, 3920, 3955, 4060, 4520, 4640, 4900, 5075, 5537, 5600, 5650, 5684, 5800, 6328, 6496, 6554, 7105, 7840, 7910, 8120, 9040, 9800, 10150, 11074, 11300, 11368, 11600, 12656, 13108, 14210, 15820, 16240, 16385, 18080, 19600, 19775, 20300, 22148, 22600, 22736, 22939, 23200, 25312, 26216, 27685, 28420, 31640, 32480, 32770, 35525, 39200, 39550, 40600, 44296, 45200, 45472, 45878, 52432, 55370, 56840, 63280, 65540, 71050, 79100, 81200, 81925, 88592, 90400, 91756, 104864, 110740, 113680, 114695, 126560, 131080, 138425, 142100, 158200, 160573, 162400, 163850, 177184, 183512, 221480, 227360, 229390, 262160, 276850, 284200, 316400, 321146, 327700, 367024, 442960, 458780, 524320, 553700, 568400, 573475, 632800, 642292, 655400, 734048, 802865, 885920, 917560, 1107400, 1136800, 1146950, 1284584, 1310800, 1605730, 1835120, 2214800, 2293900, 2569168, 2621600, 3211460, 3670240, 4014325, 4429600, 4587800, 5138336, 6422920, 8028650, 9175600, 12845840, 16057300, 18351200, 25691680, 32114600, 64229200, 128458400]

約数ペア:

[(1, 128458400), (2, 64229200), (4, 32114600), (5, 25691680), (7, 18351200), (8, 16057300), (10, 12845840), (14, 9175600), (16, 8028650), (20, 6422920), (25, 5138336), (28, 4587800), (29, 4429600), (32, 4014325), (35, 3670240), (40, 3211460), (49, 2621600), (50, 2569168), (56, 2293900), (58, 2214800), (70, 1835120), (80, 1605730), (98, 1310800), (100, 1284584), (112, 1146950), (113, 1136800), (116, 1107400), (140, 917560), (145, 885920), (160, 802865), (175, 734048), (196, 655400), (200, 642292), (203, 632800), (224, 573475), (226, 568400), (232, 553700), (245, 524320), (280, 458780), (290, 442960), (350, 367024), (392, 327700), (400, 321146), (406, 316400), (452, 284200), (464, 276850), (490, 262160), (560, 229390), (565, 227360), (580, 221480), (700, 183512), (725, 177184), (784, 163850), (791, 162400), (800, 160573), (812, 158200), (904, 142100), (928, 138425), (980, 131080), (1015, 126560), (1120, 114695), (1130, 113680), (1160, 110740), (1225, 104864), (1400, 91756), (1421, 90400), (1450, 88592), (1568, 81925), (1582, 81200), (1624, 79100), (1808, 71050), (1960, 65540), (2030, 63280), (2260, 56840), (2320, 55370), (2450, 52432), (2800, 45878), (2825, 45472), (2842, 45200), (2900, 44296), (3164, 40600), (3248, 39550), (3277, 39200), (3616, 35525), (3920, 32770), (3955, 32480), (4060, 31640), (4520, 28420), (4640, 27685), (4900, 26216), (5075, 25312), (5537, 23200), (5600, 22939), (5650, 22736), (5684, 22600), (5800, 22148), (6328, 20300), (6496, 19775), (6554, 19600), (7105, 18080), (7840, 16385), (7910, 16240), (8120, 15820), (9040, 14210), (9800, 13108), (10150, 12656), (11074, 11600), (11300, 11368)]