19687200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 69120576

約数和(自身を除く): 49433376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 631, 650, 780, 800, 975, 1040, 1200, 1248, 1262, 1300, 1560, 1893, 1950, 2080, 2400, 2524, 2600, 3120, 3155, 3786, 3900, 5048, 5200, 6240, 6310, 7572, 7800, 8203, 9465, 10096, 10400, 12620, 15144, 15600, 15775, 16406, 18930, 20192, 24609, 25240, 30288, 31200, 31550, 32812, 37860, 41015, 47325, 49218, 50480, 60576, 63100, 65624, 75720, 82030, 94650, 98436, 100960, 123045, 126200, 131248, 151440, 164060, 189300, 196872, 205075, 246090, 252400, 262496, 302880, 328120, 378600, 393744, 410150, 492180, 504800, 615225, 656240, 757200, 787488, 820300, 984360, 1230450, 1312480, 1514400, 1640600, 1968720, 2460900, 3281200, 3937440, 4921800, 6562400, 9843600, 19687200]

約数ペア:

[(1, 19687200), (2, 9843600), (3, 6562400), (4, 4921800), (5, 3937440), (6, 3281200), (8, 2460900), (10, 1968720), (12, 1640600), (13, 1514400), (15, 1312480), (16, 1230450), (20, 984360), (24, 820300), (25, 787488), (26, 757200), (30, 656240), (32, 615225), (39, 504800), (40, 492180), (48, 410150), (50, 393744), (52, 378600), (60, 328120), (65, 302880), (75, 262496), (78, 252400), (80, 246090), (96, 205075), (100, 196872), (104, 189300), (120, 164060), (130, 151440), (150, 131248), (156, 126200), (160, 123045), (195, 100960), (200, 98436), (208, 94650), (240, 82030), (260, 75720), (300, 65624), (312, 63100), (325, 60576), (390, 50480), (400, 49218), (416, 47325), (480, 41015), (520, 37860), (600, 32812), (624, 31550), (631, 31200), (650, 30288), (780, 25240), (800, 24609), (975, 20192), (1040, 18930), (1200, 16406), (1248, 15775), (1262, 15600), (1300, 15144), (1560, 12620), (1893, 10400), (1950, 10096), (2080, 9465), (2400, 8203), (2524, 7800), (2600, 7572), (3120, 6310), (3155, 6240), (3786, 5200), (3900, 5048)]