128538540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 423722208

約数和(自身を除く): 295183668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 163, 180, 195, 234, 260, 326, 337, 390, 468, 489, 585, 652, 674, 780, 815, 978, 1011, 1170, 1348, 1467, 1630, 1685, 1956, 2022, 2119, 2340, 2445, 2934, 3033, 3260, 3370, 4044, 4238, 4381, 4890, 5055, 5868, 6066, 6357, 6740, 7335, 8476, 8762, 9780, 10110, 10595, 12132, 12714, 13143, 14670, 15165, 17524, 19071, 20220, 21190, 21905, 25428, 26286, 29340, 30330, 31785, 38142, 39429, 42380, 43810, 52572, 54931, 60660, 63570, 65715, 76284, 78858, 87620, 95355, 109862, 127140, 131430, 157716, 164793, 190710, 197145, 219724, 262860, 274655, 329586, 381420, 394290, 494379, 549310, 659172, 714103, 788580, 823965, 988758, 1098620, 1428206, 1647930, 1977516, 2142309, 2471895, 2856412, 3295860, 3570515, 4284618, 4943790, 6426927, 7141030, 8569236, 9887580, 10711545, 12853854, 14282060, 21423090, 25707708, 32134635, 42846180, 64269270, 128538540]

約数ペア:

[(1, 128538540), (2, 64269270), (3, 42846180), (4, 32134635), (5, 25707708), (6, 21423090), (9, 14282060), (10, 12853854), (12, 10711545), (13, 9887580), (15, 8569236), (18, 7141030), (20, 6426927), (26, 4943790), (30, 4284618), (36, 3570515), (39, 3295860), (45, 2856412), (52, 2471895), (60, 2142309), (65, 1977516), (78, 1647930), (90, 1428206), (117, 1098620), (130, 988758), (156, 823965), (163, 788580), (180, 714103), (195, 659172), (234, 549310), (260, 494379), (326, 394290), (337, 381420), (390, 329586), (468, 274655), (489, 262860), (585, 219724), (652, 197145), (674, 190710), (780, 164793), (815, 157716), (978, 131430), (1011, 127140), (1170, 109862), (1348, 95355), (1467, 87620), (1630, 78858), (1685, 76284), (1956, 65715), (2022, 63570), (2119, 60660), (2340, 54931), (2445, 52572), (2934, 43810), (3033, 42380), (3260, 39429), (3370, 38142), (4044, 31785), (4238, 30330), (4381, 29340), (4890, 26286), (5055, 25428), (5868, 21905), (6066, 21190), (6357, 20220), (6740, 19071), (7335, 17524), (8476, 15165), (8762, 14670), (9780, 13143), (10110, 12714), (10595, 12132)]