71718400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 120

約数和(自身を含む): 191800224

約数和(自身を除く): 120081824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 431, 512, 520, 640, 650, 800, 832, 862, 1040, 1280, 1300, 1600, 1664, 1724, 2080, 2155, 2560, 2600, 3200, 3328, 3448, 4160, 4310, 5200, 5603, 6400, 6656, 6896, 8320, 8620, 10400, 10775, 11206, 12800, 13792, 16640, 17240, 20800, 21550, 22412, 27584, 28015, 33280, 34480, 41600, 43100, 44824, 55168, 56030, 68960, 83200, 86200, 89648, 110336, 112060, 137920, 140075, 166400, 172400, 179296, 220672, 224120, 275840, 280150, 344800, 358592, 448240, 551680, 560300, 689600, 717184, 896480, 1103360, 1120600, 1379200, 1434368, 1792960, 2241200, 2758400, 2868736, 3585920, 4482400, 5516800, 7171840, 8964800, 14343680, 17929600, 35859200, 71718400]

約数ペア:

[(1, 71718400), (2, 35859200), (4, 17929600), (5, 14343680), (8, 8964800), (10, 7171840), (13, 5516800), (16, 4482400), (20, 3585920), (25, 2868736), (26, 2758400), (32, 2241200), (40, 1792960), (50, 1434368), (52, 1379200), (64, 1120600), (65, 1103360), (80, 896480), (100, 717184), (104, 689600), (128, 560300), (130, 551680), (160, 448240), (200, 358592), (208, 344800), (256, 280150), (260, 275840), (320, 224120), (325, 220672), (400, 179296), (416, 172400), (431, 166400), (512, 140075), (520, 137920), (640, 112060), (650, 110336), (800, 89648), (832, 86200), (862, 83200), (1040, 68960), (1280, 56030), (1300, 55168), (1600, 44824), (1664, 43100), (1724, 41600), (2080, 34480), (2155, 33280), (2560, 28015), (2600, 27584), (3200, 22412), (3328, 21550), (3448, 20800), (4160, 17240), (4310, 16640), (5200, 13792), (5603, 12800), (6400, 11206), (6656, 10775), (6896, 10400), (8320, 8620)]