123001320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 128

約数和(自身を含む): 408320640

約数和(自身を除く): 285319320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2131, 2220, 2405, 2886, 3848, 4262, 4440, 4810, 5772, 6393, 7215, 8524, 9620, 10655, 11544, 12786, 14430, 17048, 19240, 21310, 25572, 27703, 28860, 31965, 42620, 51144, 55406, 57720, 63930, 78847, 83109, 85240, 110812, 127860, 138515, 157694, 166218, 221624, 236541, 255720, 277030, 315388, 332436, 394235, 415545, 473082, 554060, 630776, 664872, 788470, 831090, 946164, 1025011, 1108120, 1182705, 1576940, 1662180, 1892328, 2050022, 2365410, 3075033, 3153880, 3324360, 4100044, 4730820, 5125055, 6150066, 8200088, 9461640, 10250110, 12300132, 15375165, 20500220, 24600264, 30750330, 41000440, 61500660, 123001320]

約数ペア:

[(1, 123001320), (2, 61500660), (3, 41000440), (4, 30750330), (5, 24600264), (6, 20500220), (8, 15375165), (10, 12300132), (12, 10250110), (13, 9461640), (15, 8200088), (20, 6150066), (24, 5125055), (26, 4730820), (30, 4100044), (37, 3324360), (39, 3153880), (40, 3075033), (52, 2365410), (60, 2050022), (65, 1892328), (74, 1662180), (78, 1576940), (104, 1182705), (111, 1108120), (120, 1025011), (130, 946164), (148, 831090), (156, 788470), (185, 664872), (195, 630776), (222, 554060), (260, 473082), (296, 415545), (312, 394235), (370, 332436), (390, 315388), (444, 277030), (481, 255720), (520, 236541), (555, 221624), (740, 166218), (780, 157694), (888, 138515), (962, 127860), (1110, 110812), (1443, 85240), (1480, 83109), (1560, 78847), (1924, 63930), (2131, 57720), (2220, 55406), (2405, 51144), (2886, 42620), (3848, 31965), (4262, 28860), (4440, 27703), (4810, 25572), (5772, 21310), (6393, 19240), (7215, 17048), (8524, 14430), (9620, 12786), (10655, 11544)]