129138880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 112

約数和(自身を含む): 340522560

約数和(自身を除く): 211383680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 740, 832, 839, 962, 1040, 1184, 1480, 1678, 1924, 2080, 2368, 2405, 2960, 3356, 3848, 4160, 4195, 4810, 5920, 6712, 7696, 8390, 9620, 10907, 11840, 13424, 15392, 16780, 19240, 21814, 26848, 30784, 31043, 33560, 38480, 43628, 53696, 54535, 62086, 67120, 76960, 87256, 109070, 124172, 134240, 153920, 155215, 174512, 218140, 248344, 268480, 310430, 349024, 403559, 436280, 496688, 620860, 698048, 807118, 872560, 993376, 1241720, 1614236, 1745120, 1986752, 2017795, 2483440, 3228472, 3490240, 4035590, 4966880, 6456944, 8071180, 9933760, 12913888, 16142360, 25827776, 32284720, 64569440, 129138880]

約数ペア:

[(1, 129138880), (2, 64569440), (4, 32284720), (5, 25827776), (8, 16142360), (10, 12913888), (13, 9933760), (16, 8071180), (20, 6456944), (26, 4966880), (32, 4035590), (37, 3490240), (40, 3228472), (52, 2483440), (64, 2017795), (65, 1986752), (74, 1745120), (80, 1614236), (104, 1241720), (130, 993376), (148, 872560), (160, 807118), (185, 698048), (208, 620860), (260, 496688), (296, 436280), (320, 403559), (370, 349024), (416, 310430), (481, 268480), (520, 248344), (592, 218140), (740, 174512), (832, 155215), (839, 153920), (962, 134240), (1040, 124172), (1184, 109070), (1480, 87256), (1678, 76960), (1924, 67120), (2080, 62086), (2368, 54535), (2405, 53696), (2960, 43628), (3356, 38480), (3848, 33560), (4160, 31043), (4195, 30784), (4810, 26848), (5920, 21814), (6712, 19240), (7696, 16780), (8390, 15392), (9620, 13424), (10907, 11840)]