30900800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 168

約数和(自身を含む): 90708480

約数和(自身を除く): 59807680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 89, 100, 112, 124, 140, 155, 160, 175, 178, 200, 217, 224, 248, 280, 310, 320, 350, 356, 400, 434, 445, 448, 496, 560, 620, 623, 700, 712, 775, 800, 868, 890, 992, 1085, 1120, 1240, 1246, 1400, 1424, 1550, 1600, 1736, 1780, 1984, 2170, 2225, 2240, 2480, 2492, 2759, 2800, 2848, 3100, 3115, 3472, 3560, 4340, 4450, 4960, 4984, 5425, 5518, 5600, 5696, 6200, 6230, 6944, 7120, 8680, 8900, 9920, 9968, 10850, 11036, 11200, 12400, 12460, 13795, 13888, 14240, 15575, 17360, 17800, 19313, 19936, 21700, 22072, 24800, 24920, 27590, 28480, 31150, 34720, 35600, 38626, 39872, 43400, 44144, 49600, 49840, 55180, 62300, 68975, 69440, 71200, 77252, 86800, 88288, 96565, 99680, 110360, 124600, 137950, 142400, 154504, 173600, 176576, 193130, 199360, 220720, 249200, 275900, 309008, 347200, 386260, 441440, 482825, 498400, 551800, 618016, 772520, 882880, 965650, 996800, 1103600, 1236032, 1545040, 1931300, 2207200, 3090080, 3862600, 4414400, 6180160, 7725200, 15450400, 30900800]

約数ペア:

[(1, 30900800), (2, 15450400), (4, 7725200), (5, 6180160), (7, 4414400), (8, 3862600), (10, 3090080), (14, 2207200), (16, 1931300), (20, 1545040), (25, 1236032), (28, 1103600), (31, 996800), (32, 965650), (35, 882880), (40, 772520), (50, 618016), (56, 551800), (62, 498400), (64, 482825), (70, 441440), (80, 386260), (89, 347200), (100, 309008), (112, 275900), (124, 249200), (140, 220720), (155, 199360), (160, 193130), (175, 176576), (178, 173600), (200, 154504), (217, 142400), (224, 137950), (248, 124600), (280, 110360), (310, 99680), (320, 96565), (350, 88288), (356, 86800), (400, 77252), (434, 71200), (445, 69440), (448, 68975), (496, 62300), (560, 55180), (620, 49840), (623, 49600), (700, 44144), (712, 43400), (775, 39872), (800, 38626), (868, 35600), (890, 34720), (992, 31150), (1085, 28480), (1120, 27590), (1240, 24920), (1246, 24800), (1400, 22072), (1424, 21700), (1550, 19936), (1600, 19313), (1736, 17800), (1780, 17360), (1984, 15575), (2170, 14240), (2225, 13888), (2240, 13795), (2480, 12460), (2492, 12400), (2759, 11200), (2800, 11036), (2848, 10850), (3100, 9968), (3115, 9920), (3472, 8900), (3560, 8680), (4340, 7120), (4450, 6944), (4960, 6230), (4984, 6200), (5425, 5696), (5518, 5600)]