18669280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 51287040

約数和(自身を除く): 32617760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 211, 224, 280, 316, 395, 422, 553, 560, 632, 790, 844, 1055, 1106, 1120, 1264, 1477, 1580, 1688, 2110, 2212, 2528, 2765, 2954, 3160, 3376, 4220, 4424, 5530, 5908, 6320, 6752, 7385, 8440, 8848, 11060, 11816, 12640, 14770, 16669, 16880, 17696, 22120, 23632, 29540, 33338, 33760, 44240, 47264, 59080, 66676, 83345, 88480, 116683, 118160, 133352, 166690, 233366, 236320, 266704, 333380, 466732, 533408, 583415, 666760, 933464, 1166830, 1333520, 1866928, 2333660, 2667040, 3733856, 4667320, 9334640, 18669280]

約数ペア:

[(1, 18669280), (2, 9334640), (4, 4667320), (5, 3733856), (7, 2667040), (8, 2333660), (10, 1866928), (14, 1333520), (16, 1166830), (20, 933464), (28, 666760), (32, 583415), (35, 533408), (40, 466732), (56, 333380), (70, 266704), (79, 236320), (80, 233366), (112, 166690), (140, 133352), (158, 118160), (160, 116683), (211, 88480), (224, 83345), (280, 66676), (316, 59080), (395, 47264), (422, 44240), (553, 33760), (560, 33338), (632, 29540), (790, 23632), (844, 22120), (1055, 17696), (1106, 16880), (1120, 16669), (1264, 14770), (1477, 12640), (1580, 11816), (1688, 11060), (2110, 8848), (2212, 8440), (2528, 7385), (2765, 6752), (2954, 6320), (3160, 5908), (3376, 5530), (4220, 4424)]