30506520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 101191680

約数和(自身を除く): 70685160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 191, 220, 242, 264, 330, 363, 382, 440, 484, 573, 605, 660, 726, 764, 955, 968, 1146, 1210, 1320, 1331, 1452, 1528, 1815, 1910, 2101, 2292, 2420, 2662, 2865, 2904, 3630, 3820, 3993, 4202, 4584, 4840, 5324, 5730, 6303, 6655, 7260, 7640, 7986, 8404, 10505, 10648, 11460, 12606, 13310, 14520, 15972, 16808, 19965, 21010, 22920, 23111, 25212, 26620, 31515, 31944, 39930, 42020, 46222, 50424, 53240, 63030, 69333, 79860, 84040, 92444, 115555, 126060, 138666, 159720, 184888, 231110, 252120, 254221, 277332, 346665, 462220, 508442, 554664, 693330, 762663, 924440, 1016884, 1271105, 1386660, 1525326, 2033768, 2542210, 2773320, 3050652, 3813315, 5084420, 6101304, 7626630, 10168840, 15253260, 30506520]

約数ペア:

[(1, 30506520), (2, 15253260), (3, 10168840), (4, 7626630), (5, 6101304), (6, 5084420), (8, 3813315), (10, 3050652), (11, 2773320), (12, 2542210), (15, 2033768), (20, 1525326), (22, 1386660), (24, 1271105), (30, 1016884), (33, 924440), (40, 762663), (44, 693330), (55, 554664), (60, 508442), (66, 462220), (88, 346665), (110, 277332), (120, 254221), (121, 252120), (132, 231110), (165, 184888), (191, 159720), (220, 138666), (242, 126060), (264, 115555), (330, 92444), (363, 84040), (382, 79860), (440, 69333), (484, 63030), (573, 53240), (605, 50424), (660, 46222), (726, 42020), (764, 39930), (955, 31944), (968, 31515), (1146, 26620), (1210, 25212), (1320, 23111), (1331, 22920), (1452, 21010), (1528, 19965), (1815, 16808), (1910, 15972), (2101, 14520), (2292, 13310), (2420, 12606), (2662, 11460), (2865, 10648), (2904, 10505), (3630, 8404), (3820, 7986), (3993, 7640), (4202, 7260), (4584, 6655), (4840, 6303), (5324, 5730)]