201536680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 464791680

約数和(自身を除く): 263255000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 151, 244, 302, 305, 488, 547, 604, 610, 755, 1094, 1208, 1220, 1510, 2188, 2440, 2735, 3020, 4376, 5470, 6040, 9211, 10940, 18422, 21880, 33367, 36844, 46055, 66734, 73688, 82597, 92110, 133468, 165194, 166835, 184220, 266936, 330388, 333670, 368440, 412985, 660776, 667340, 825970, 1334680, 1651940, 3303880, 5038417, 10076834, 20153668, 25192085, 40307336, 50384170, 100768340, 201536680]

約数ペア:

[(1, 201536680), (2, 100768340), (4, 50384170), (5, 40307336), (8, 25192085), (10, 20153668), (20, 10076834), (40, 5038417), (61, 3303880), (122, 1651940), (151, 1334680), (244, 825970), (302, 667340), (305, 660776), (488, 412985), (547, 368440), (604, 333670), (610, 330388), (755, 266936), (1094, 184220), (1208, 166835), (1220, 165194), (1510, 133468), (2188, 92110), (2440, 82597), (2735, 73688), (3020, 66734), (4376, 46055), (5470, 36844), (6040, 33367), (9211, 21880), (10940, 18422)]