78747200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 168

約数和(自身を含む): 226771200

約数和(自身を除く): 148024000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 79, 80, 89, 100, 112, 140, 158, 160, 175, 178, 200, 224, 280, 316, 320, 350, 356, 395, 400, 445, 448, 553, 560, 623, 632, 700, 712, 790, 800, 890, 1106, 1120, 1246, 1264, 1400, 1424, 1580, 1600, 1780, 1975, 2212, 2225, 2240, 2492, 2528, 2765, 2800, 2848, 3115, 3160, 3560, 3950, 4424, 4450, 4984, 5056, 5530, 5600, 5696, 6230, 6320, 7031, 7120, 7900, 8848, 8900, 9968, 11060, 11200, 12460, 12640, 13825, 14062, 14240, 15575, 15800, 17696, 17800, 19936, 22120, 24920, 25280, 27650, 28124, 28480, 31150, 31600, 35155, 35392, 35600, 39872, 44240, 49217, 49840, 55300, 56248, 62300, 63200, 70310, 71200, 88480, 98434, 99680, 110600, 112496, 124600, 126400, 140620, 142400, 175775, 176960, 196868, 199360, 221200, 224992, 246085, 249200, 281240, 351550, 393736, 442400, 449984, 492170, 498400, 562480, 703100, 787472, 884800, 984340, 996800, 1124960, 1230425, 1406200, 1574944, 1968680, 2249920, 2460850, 2812400, 3149888, 3937360, 4921700, 5624800, 7874720, 9843400, 11249600, 15749440, 19686800, 39373600, 78747200]

約数ペア:

[(1, 78747200), (2, 39373600), (4, 19686800), (5, 15749440), (7, 11249600), (8, 9843400), (10, 7874720), (14, 5624800), (16, 4921700), (20, 3937360), (25, 3149888), (28, 2812400), (32, 2460850), (35, 2249920), (40, 1968680), (50, 1574944), (56, 1406200), (64, 1230425), (70, 1124960), (79, 996800), (80, 984340), (89, 884800), (100, 787472), (112, 703100), (140, 562480), (158, 498400), (160, 492170), (175, 449984), (178, 442400), (200, 393736), (224, 351550), (280, 281240), (316, 249200), (320, 246085), (350, 224992), (356, 221200), (395, 199360), (400, 196868), (445, 176960), (448, 175775), (553, 142400), (560, 140620), (623, 126400), (632, 124600), (700, 112496), (712, 110600), (790, 99680), (800, 98434), (890, 88480), (1106, 71200), (1120, 70310), (1246, 63200), (1264, 62300), (1400, 56248), (1424, 55300), (1580, 49840), (1600, 49217), (1780, 44240), (1975, 39872), (2212, 35600), (2225, 35392), (2240, 35155), (2492, 31600), (2528, 31150), (2765, 28480), (2800, 28124), (2848, 27650), (3115, 25280), (3160, 24920), (3560, 22120), (3950, 19936), (4424, 17800), (4450, 17696), (4984, 15800), (5056, 15575), (5530, 14240), (5600, 14062), (5696, 13825), (6230, 12640), (6320, 12460), (7031, 11200), (7120, 11060), (7900, 9968), (8848, 8900)]