51203490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7723}}^1$

素因数の和:7763

約数の個数: 64

約数和(自身を含む): 140144256

約数和(自身を除く): 88940766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 7723, 15446, 23169, 38615, 46338, 77230, 100399, 115845, 131291, 200798, 231690, 262582, 301197, 393873, 501995, 602394, 656455, 787746, 1003990, 1312910, 1505985, 1706783, 1969365, 3011970, 3413566, 3938730, 5120349, 8533915, 10240698, 17067830, 25601745, 51203490]

約数ペア:

[(1, 51203490), (2, 25601745), (3, 17067830), (5, 10240698), (6, 8533915), (10, 5120349), (13, 3938730), (15, 3413566), (17, 3011970), (26, 1969365), (30, 1706783), (34, 1505985), (39, 1312910), (51, 1003990), (65, 787746), (78, 656455), (85, 602394), (102, 501995), (130, 393873), (170, 301197), (195, 262582), (221, 231690), (255, 200798), (390, 131291), (442, 115845), (510, 100399), (663, 77230), (1105, 46338), (1326, 38615), (2210, 23169), (3315, 15446), (6630, 7723)]