15383697920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193847}}^1$

素因数の和:193901

約数の個数: 80

約数和(自身を含む): 38074848768

約数和(自身を除く): 22691150848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 193847, 387694, 775388, 969235, 1550776, 1938470, 3101552, 3876940, 6009257, 6203104, 7753880, 12018514, 12406208, 15507760, 24037028, 24812416, 30046285, 31015520, 48074056, 49624832, 60092570, 62031040, 96148112, 99249664, 120185140, 124062080, 192296224, 240370280, 248124160, 384592448, 480740560, 496248320, 769184896, 961481120, 1538369792, 1922962240, 3076739584, 3845924480, 7691848960, 15383697920]

約数ペア:

[(1, 15383697920), (2, 7691848960), (4, 3845924480), (5, 3076739584), (8, 1922962240), (10, 1538369792), (16, 961481120), (20, 769184896), (31, 496248320), (32, 480740560), (40, 384592448), (62, 248124160), (64, 240370280), (80, 192296224), (124, 124062080), (128, 120185140), (155, 99249664), (160, 96148112), (248, 62031040), (256, 60092570), (310, 49624832), (320, 48074056), (496, 31015520), (512, 30046285), (620, 24812416), (640, 24037028), (992, 15507760), (1240, 12406208), (1280, 12018514), (1984, 7753880), (2480, 6203104), (2560, 6009257), (3968, 3876940), (4960, 3101552), (7936, 1938470), (9920, 1550776), (15872, 969235), (19840, 775388), (39680, 387694), (79360, 193847)]