28493640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3769}}^1$

素因数の和:3796

約数の個数: 128

約数和(自身を含む): 108576000

約数和(自身を除く): 80082360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3769, 3780, 7538, 7560, 11307, 15076, 18845, 22614, 26383, 30152, 33921, 37690, 45228, 52766, 56535, 67842, 75380, 79149, 90456, 101763, 105532, 113070, 131915, 135684, 150760, 158298, 169605, 203526, 211064, 226140, 237447, 263830, 271368, 316596, 339210, 395745, 407052, 452280, 474894, 508815, 527660, 633192, 678420, 712341, 791490, 814104, 949788, 1017630, 1055320, 1187235, 1356840, 1424682, 1582980, 1899576, 2035260, 2374470, 2849364, 3165960, 3561705, 4070520, 4748940, 5698728, 7123410, 9497880, 14246820, 28493640]

約数ペア:

[(1, 28493640), (2, 14246820), (3, 9497880), (4, 7123410), (5, 5698728), (6, 4748940), (7, 4070520), (8, 3561705), (9, 3165960), (10, 2849364), (12, 2374470), (14, 2035260), (15, 1899576), (18, 1582980), (20, 1424682), (21, 1356840), (24, 1187235), (27, 1055320), (28, 1017630), (30, 949788), (35, 814104), (36, 791490), (40, 712341), (42, 678420), (45, 633192), (54, 527660), (56, 508815), (60, 474894), (63, 452280), (70, 407052), (72, 395745), (84, 339210), (90, 316596), (105, 271368), (108, 263830), (120, 237447), (126, 226140), (135, 211064), (140, 203526), (168, 169605), (180, 158298), (189, 150760), (210, 135684), (216, 131915), (252, 113070), (270, 105532), (280, 101763), (315, 90456), (360, 79149), (378, 75380), (420, 67842), (504, 56535), (540, 52766), (630, 45228), (756, 37690), (840, 33921), (945, 30152), (1080, 26383), (1260, 22614), (1512, 18845), (1890, 15076), (2520, 11307), (3769, 7560), (3780, 7538)]