87320800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 251983872

約数和(自身を除く): 164663072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 503, 560, 620, 700, 775, 800, 868, 992, 1006, 1085, 1120, 1240, 1400, 1550, 1736, 2012, 2170, 2480, 2515, 2800, 3100, 3472, 3521, 4024, 4340, 4960, 5030, 5425, 5600, 6200, 6944, 7042, 8048, 8680, 10060, 10850, 12400, 12575, 14084, 15593, 16096, 17360, 17605, 20120, 21700, 24800, 25150, 28168, 31186, 34720, 35210, 40240, 43400, 50300, 56336, 62372, 70420, 77965, 80480, 86800, 88025, 100600, 109151, 112672, 124744, 140840, 155930, 173600, 176050, 201200, 218302, 249488, 281680, 311860, 352100, 389825, 402400, 436604, 498976, 545755, 563360, 623720, 704200, 779650, 873208, 1091510, 1247440, 1408400, 1559300, 1746416, 2183020, 2494880, 2728775, 2816800, 3118600, 3492832, 4366040, 5457550, 6237200, 8732080, 10915100, 12474400, 17464160, 21830200, 43660400, 87320800]

約数ペア:

[(1, 87320800), (2, 43660400), (4, 21830200), (5, 17464160), (7, 12474400), (8, 10915100), (10, 8732080), (14, 6237200), (16, 5457550), (20, 4366040), (25, 3492832), (28, 3118600), (31, 2816800), (32, 2728775), (35, 2494880), (40, 2183020), (50, 1746416), (56, 1559300), (62, 1408400), (70, 1247440), (80, 1091510), (100, 873208), (112, 779650), (124, 704200), (140, 623720), (155, 563360), (160, 545755), (175, 498976), (200, 436604), (217, 402400), (224, 389825), (248, 352100), (280, 311860), (310, 281680), (350, 249488), (400, 218302), (434, 201200), (496, 176050), (503, 173600), (560, 155930), (620, 140840), (700, 124744), (775, 112672), (800, 109151), (868, 100600), (992, 88025), (1006, 86800), (1085, 80480), (1120, 77965), (1240, 70420), (1400, 62372), (1550, 56336), (1736, 50300), (2012, 43400), (2170, 40240), (2480, 35210), (2515, 34720), (2800, 31186), (3100, 28168), (3472, 25150), (3521, 24800), (4024, 21700), (4340, 20120), (4960, 17605), (5030, 17360), (5425, 16096), (5600, 15593), (6200, 14084), (6944, 12575), (7042, 12400), (8048, 10850), (8680, 10060)]