1800639480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{245989}}^1$

素因数の和:246064

約数の個数: 64

約数和(自身を含む): 5490496800

約数和(自身を除く): 3689857320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 245989, 491978, 737967, 983956, 1229945, 1475934, 1967912, 2459890, 2951868, 3689835, 4919780, 5903736, 7379670, 9839560, 14759340, 15005329, 29518680, 30010658, 45015987, 60021316, 75026645, 90031974, 120042632, 150053290, 180063948, 225079935, 300106580, 360127896, 450159870, 600213160, 900319740, 1800639480]

約数ペア:

[(1, 1800639480), (2, 900319740), (3, 600213160), (4, 450159870), (5, 360127896), (6, 300106580), (8, 225079935), (10, 180063948), (12, 150053290), (15, 120042632), (20, 90031974), (24, 75026645), (30, 60021316), (40, 45015987), (60, 30010658), (61, 29518680), (120, 15005329), (122, 14759340), (183, 9839560), (244, 7379670), (305, 5903736), (366, 4919780), (488, 3689835), (610, 2951868), (732, 2459890), (915, 1967912), (1220, 1475934), (1464, 1229945), (1830, 983956), (2440, 737967), (3660, 491978), (7320, 245989)]