71305980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 210276864

約数和(自身を除く): 138970884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 163, 230, 276, 317, 326, 345, 460, 489, 634, 652, 690, 815, 951, 978, 1268, 1380, 1585, 1630, 1902, 1956, 2445, 3170, 3260, 3749, 3804, 4755, 4890, 6340, 7291, 7498, 9510, 9780, 11247, 14582, 14996, 18745, 19020, 21873, 22494, 29164, 36455, 37490, 43746, 44988, 51671, 56235, 72910, 74980, 87492, 103342, 109365, 112470, 145820, 155013, 206684, 218730, 224940, 258355, 310026, 437460, 516710, 620052, 775065, 1033420, 1188433, 1550130, 2376866, 3100260, 3565299, 4753732, 5942165, 7130598, 11884330, 14261196, 17826495, 23768660, 35652990, 71305980]

約数ペア:

[(1, 71305980), (2, 35652990), (3, 23768660), (4, 17826495), (5, 14261196), (6, 11884330), (10, 7130598), (12, 5942165), (15, 4753732), (20, 3565299), (23, 3100260), (30, 2376866), (46, 1550130), (60, 1188433), (69, 1033420), (92, 775065), (115, 620052), (138, 516710), (163, 437460), (230, 310026), (276, 258355), (317, 224940), (326, 218730), (345, 206684), (460, 155013), (489, 145820), (634, 112470), (652, 109365), (690, 103342), (815, 87492), (951, 74980), (978, 72910), (1268, 56235), (1380, 51671), (1585, 44988), (1630, 43746), (1902, 37490), (1956, 36455), (2445, 29164), (3170, 22494), (3260, 21873), (3749, 19020), (3804, 18745), (4755, 14996), (4890, 14582), (6340, 11247), (7291, 9780), (7498, 9510)]