1213367320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 3066854400

約数和(自身を除く): 1853487080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 79, 88, 110, 134, 158, 220, 268, 316, 335, 395, 440, 521, 536, 632, 670, 737, 790, 869, 1042, 1340, 1474, 1580, 1738, 2084, 2605, 2680, 2948, 3160, 3476, 3685, 4168, 4345, 5210, 5293, 5731, 5896, 6952, 7370, 8690, 10420, 10586, 11462, 14740, 17380, 20840, 21172, 22924, 26465, 28655, 29480, 34760, 34907, 41159, 42344, 45848, 52930, 57310, 58223, 69814, 82318, 105860, 114620, 116446, 139628, 164636, 174535, 205795, 211720, 229240, 232892, 279256, 291115, 329272, 349070, 383977, 411590, 452749, 465784, 582230, 698140, 767954, 823180, 905498, 1164460, 1396280, 1535908, 1646360, 1810996, 1919885, 2263745, 2328920, 2757653, 3071816, 3621992, 3839770, 4527490, 5515306, 7679540, 9054980, 11030612, 13788265, 15359080, 18109960, 22061224, 27576530, 30334183, 55153060, 60668366, 110306120, 121336732, 151670915, 242673464, 303341830, 606683660, 1213367320]

約数ペア:

[(1, 1213367320), (2, 606683660), (4, 303341830), (5, 242673464), (8, 151670915), (10, 121336732), (11, 110306120), (20, 60668366), (22, 55153060), (40, 30334183), (44, 27576530), (55, 22061224), (67, 18109960), (79, 15359080), (88, 13788265), (110, 11030612), (134, 9054980), (158, 7679540), (220, 5515306), (268, 4527490), (316, 3839770), (335, 3621992), (395, 3071816), (440, 2757653), (521, 2328920), (536, 2263745), (632, 1919885), (670, 1810996), (737, 1646360), (790, 1535908), (869, 1396280), (1042, 1164460), (1340, 905498), (1474, 823180), (1580, 767954), (1738, 698140), (2084, 582230), (2605, 465784), (2680, 452749), (2948, 411590), (3160, 383977), (3476, 349070), (3685, 329272), (4168, 291115), (4345, 279256), (5210, 232892), (5293, 229240), (5731, 211720), (5896, 205795), (6952, 174535), (7370, 164636), (8690, 139628), (10420, 116446), (10586, 114620), (11462, 105860), (14740, 82318), (17380, 69814), (20840, 58223), (21172, 57310), (22924, 52930), (26465, 45848), (28655, 42344), (29480, 41159), (34760, 34907)]