121566780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 381588480

約数和(自身を除く): 260021700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 83, 90, 103, 158, 166, 180, 206, 237, 249, 309, 316, 332, 395, 412, 415, 474, 498, 515, 618, 711, 747, 790, 830, 927, 948, 996, 1030, 1185, 1236, 1245, 1422, 1494, 1545, 1580, 1660, 1854, 2060, 2370, 2490, 2844, 2988, 3090, 3555, 3708, 3735, 4635, 4740, 4980, 6180, 6557, 7110, 7470, 8137, 8549, 9270, 13114, 14220, 14940, 16274, 17098, 18540, 19671, 24411, 25647, 26228, 32548, 32785, 34196, 39342, 40685, 42745, 48822, 51294, 59013, 65570, 73233, 76941, 78684, 81370, 85490, 97644, 98355, 102588, 118026, 122055, 128235, 131140, 146466, 153882, 162740, 170980, 196710, 236052, 244110, 256470, 292932, 295065, 307764, 366165, 384705, 393420, 488220, 512940, 590130, 675371, 732330, 769410, 1180260, 1350742, 1464660, 1538820, 2026113, 2701484, 3376855, 4052226, 6078339, 6753710, 8104452, 10130565, 12156678, 13507420, 20261130, 24313356, 30391695, 40522260, 60783390, 121566780]

約数ペア:

[(1, 121566780), (2, 60783390), (3, 40522260), (4, 30391695), (5, 24313356), (6, 20261130), (9, 13507420), (10, 12156678), (12, 10130565), (15, 8104452), (18, 6753710), (20, 6078339), (30, 4052226), (36, 3376855), (45, 2701484), (60, 2026113), (79, 1538820), (83, 1464660), (90, 1350742), (103, 1180260), (158, 769410), (166, 732330), (180, 675371), (206, 590130), (237, 512940), (249, 488220), (309, 393420), (316, 384705), (332, 366165), (395, 307764), (412, 295065), (415, 292932), (474, 256470), (498, 244110), (515, 236052), (618, 196710), (711, 170980), (747, 162740), (790, 153882), (830, 146466), (927, 131140), (948, 128235), (996, 122055), (1030, 118026), (1185, 102588), (1236, 98355), (1245, 97644), (1422, 85490), (1494, 81370), (1545, 78684), (1580, 76941), (1660, 73233), (1854, 65570), (2060, 59013), (2370, 51294), (2490, 48822), (2844, 42745), (2988, 40685), (3090, 39342), (3555, 34196), (3708, 32785), (3735, 32548), (4635, 26228), (4740, 25647), (4980, 24411), (6180, 19671), (6557, 18540), (7110, 17098), (7470, 16274), (8137, 14940), (8549, 14220), (9270, 13114)]