19552080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 80

約数和(自身を含む): 62121024

約数和(自身を除く): 42568944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 1987, 2460, 3280, 3974, 4920, 5961, 7948, 9840, 9935, 11922, 15896, 19870, 23844, 29805, 31792, 39740, 47688, 59610, 79480, 81467, 95376, 119220, 158960, 162934, 238440, 244401, 325868, 407335, 476880, 488802, 651736, 814670, 977604, 1222005, 1303472, 1629340, 1955208, 2444010, 3258680, 3910416, 4888020, 6517360, 9776040, 19552080]

約数ペア:

[(1, 19552080), (2, 9776040), (3, 6517360), (4, 4888020), (5, 3910416), (6, 3258680), (8, 2444010), (10, 1955208), (12, 1629340), (15, 1303472), (16, 1222005), (20, 977604), (24, 814670), (30, 651736), (40, 488802), (41, 476880), (48, 407335), (60, 325868), (80, 244401), (82, 238440), (120, 162934), (123, 158960), (164, 119220), (205, 95376), (240, 81467), (246, 79480), (328, 59610), (410, 47688), (492, 39740), (615, 31792), (656, 29805), (820, 23844), (984, 19870), (1230, 15896), (1640, 11922), (1968, 9935), (1987, 9840), (2460, 7948), (3280, 5961), (3974, 4920)]