263608380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{209213}}^1$

素因数の和:209235

約数の個数: 72

約数和(自身を含む): 913846752

約数和(自身を除く): 650238372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 209213, 418426, 627639, 836852, 1046065, 1255278, 1464491, 1882917, 2092130, 2510556, 2928982, 3138195, 3765834, 4184260, 4393473, 5857964, 6276390, 7322455, 7531668, 8786946, 9414585, 12552780, 13180419, 14644910, 17573892, 18829170, 21967365, 26360838, 29289820, 37658340, 43934730, 52721676, 65902095, 87869460, 131804190, 263608380]

約数ペア:

[(1, 263608380), (2, 131804190), (3, 87869460), (4, 65902095), (5, 52721676), (6, 43934730), (7, 37658340), (9, 29289820), (10, 26360838), (12, 21967365), (14, 18829170), (15, 17573892), (18, 14644910), (20, 13180419), (21, 12552780), (28, 9414585), (30, 8786946), (35, 7531668), (36, 7322455), (42, 6276390), (45, 5857964), (60, 4393473), (63, 4184260), (70, 3765834), (84, 3138195), (90, 2928982), (105, 2510556), (126, 2092130), (140, 1882917), (180, 1464491), (210, 1255278), (252, 1046065), (315, 836852), (420, 627639), (630, 418426), (1260, 209213)]