1947666560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7127}}^1$

素因数の和:7214

約数の個数: 128

約数和(自身を含む): 5409296640

約数和(自身を除く): 3461630080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 640, 854, 896, 976, 1120, 1220, 1708, 1952, 2135, 2240, 2440, 3416, 3904, 4270, 4480, 4880, 6832, 7127, 7808, 8540, 9760, 13664, 14254, 17080, 19520, 27328, 28508, 34160, 35635, 39040, 49889, 54656, 57016, 68320, 71270, 99778, 114032, 136640, 142540, 199556, 228064, 249445, 273280, 285080, 399112, 434747, 456128, 498890, 570160, 798224, 869494, 912256, 997780, 1140320, 1596448, 1738988, 1995560, 2173735, 2280640, 3043229, 3192896, 3477976, 3991120, 4347470, 4561280, 6086458, 6385792, 6955952, 7982240, 8694940, 12172916, 13911904, 15216145, 15964480, 17389880, 24345832, 27823808, 30432290, 31928960, 34779760, 48691664, 55647616, 60864580, 69559520, 97383328, 121729160, 139119040, 194766656, 243458320, 278238080, 389533312, 486916640, 973833280, 1947666560]

約数ペア:

[(1, 1947666560), (2, 973833280), (4, 486916640), (5, 389533312), (7, 278238080), (8, 243458320), (10, 194766656), (14, 139119040), (16, 121729160), (20, 97383328), (28, 69559520), (32, 60864580), (35, 55647616), (40, 48691664), (56, 34779760), (61, 31928960), (64, 30432290), (70, 27823808), (80, 24345832), (112, 17389880), (122, 15964480), (128, 15216145), (140, 13911904), (160, 12172916), (224, 8694940), (244, 7982240), (280, 6955952), (305, 6385792), (320, 6086458), (427, 4561280), (448, 4347470), (488, 3991120), (560, 3477976), (610, 3192896), (640, 3043229), (854, 2280640), (896, 2173735), (976, 1995560), (1120, 1738988), (1220, 1596448), (1708, 1140320), (1952, 997780), (2135, 912256), (2240, 869494), (2440, 798224), (3416, 570160), (3904, 498890), (4270, 456128), (4480, 434747), (4880, 399112), (6832, 285080), (7127, 273280), (7808, 249445), (8540, 228064), (9760, 199556), (13664, 142540), (14254, 136640), (17080, 114032), (19520, 99778), (27328, 71270), (28508, 68320), (34160, 57016), (35635, 54656), (39040, 49889)]